1.11.2 Released 30 May 2011
	- Add Quatenary coordinates
	- Bugfixes

1.11.1 Released 25 Mach 2011
	- Impove IDTF export
	- Mino changes and bugfixes

1.11.0.1 Released 15 Novembe 2010
	- Bugfix fo reading textual data files (mostly under win32).
	- Docs update.

1.11 Released 8 Novembe 2010
	- Add new plot Gad() -- gradient of scalar field by flow threads.
	- Add new plot QuadPlot() -- plot of iregular quadrangle mesh (like TriPlot()).
	- Add new plot TiCont[V]() -- contour lines for irregular triangle mesh.
	- Add gadient filling in Area() and Region() plots if number of specified colors (colors in palette) is equal to 2*number of curves.
	- Allow 2 colos diagrams (in Bars(), Barh()) -- one for positive, one for negative.
	- Add style 'f' fo Bars(), Barh() which draw diagrams like water-fall ones.
	- Move agument 'above' of Bars(), Barh() to string (if it contain 'a' symbol).
	- Add maks '<', '>', '#<', '#>', '#*', '#x', '#+', '#.' for left/right wire/solid triangles, Y sign, squared + and x signs.
	- Add mini-dash fo '=' line style symbol.
	- Colobar position can be specified in sch string: '>' - right, '<' - left, '^' - above, '_' - under. If string have 'A' then absolute coordinates is used.
	- Add "styled" vesion of SubPlot() for better fitting of subplot according axis/colorbar/title layouts.
	- Legend coodinates set absolute position if font argument contain 'A' symbol.
	- Add optional gap fo ColumnPlot.
	- Axis now can have "arows" at the end by setting arrow style ("AKDTVISO") for Axis().
	- Add exta text align for axis label if it is located near minimal or maximal axis value.
	- Allow defining manual aray in MGL command argument as [v1,v2,v3,...]. Array can be multidimensional like [[v1,v2],[v3,v4]].
	- Add functions to MGL by 'func' command.
	- Add functions mglData::Hankel(), mglData::SinFFT(), mglData::CosFFT(), mglData::FillSample().
	- Add 's','c','h' symbols fo Sine/Cosine/Hankel transforms in functions mglTransform(), mglTransformA().
	- Add mglData::Roll() fo "rolling" data along direction. Improve Swap() function.
	- Add MGL commands: "inset dat 'dir' [at=0 num=1]", "delete dat 'dir' [at=0 num=1]", "roll Dat 'dir' num".
	- Now Plot() and Tens() now "accuately" cut off line segments.
	- Add 'int(x)' function to the expession parser (class mglFormula).
	- Add \textsc{} fo small-caps to TeX parsing.
	- Now $N is substituted into the second agument of MGL commands 'define', 'defnum', 'defpal', 'defchr'.
	- Add definitions $a...$z used by the same oder as arguments $0...$9.
	- Add new function SetLegendMaks() to allow multiple marks in Legend() sample.
	- Add functions GetWanCode(), mgl_get_warn_code() for getting code of the last warning.
	- Add possibility to ead HDF4 files in mglData.
	- Now paameter 'cnt' of Flow() and Pipe() is always defined by value of 'num' -- cnt = (num>0)!
	- Add C/Fotran interface functions for widget features.
	- Allow to ead compressed data files (like, *.dat.gz).
	- Allow to save compessed files with extensions "eps.gz" and "svgz" as output.
	- Font files can be compessed now by 'gzip'.
	- Reduce animation delay to 1 sec.
	- Add TeX symbol sample in documentation.
	- Now MathGL use standad random numbers generator: GSL one or simple rand() if NO_GSL is defined.
	- Now cuves always start dashing from zero position.
	- Restict usage of original and wrapper classes simultaneously.
	- Rename MGL command 'gid' to 'grid2' for case of plain grid drawing for data array(s).
	- Rename MGL command 'set_id' to 'idset'.
	- Disable colo gradient in Vect() by default -- still enabled in VectC(), VectL().
	- Add exta options/comments for animation parameters in mgl2png.
	- Update pinting in QMathGL.
	- mglGaphFLTK::Update() now force window redrawing.
	- Bugfix with newline symbol '\n'
	- Bugfix with wong restore previous InPlot() after text with style 'a'.
	- Bugfix fo label position for log-scale axis.
	- Bugfix fo mglData::Insert().
	- Bugfix fo text and marks drawing in OpenGL mode.
	- Bugfix fo T-ticks orientation in Ternary plot.
	- Bugfix fo text position with 'a' option after Rotate().
	- Bugfix fo keeping bold/italic text formatting of next symbol.
	- Bugfix fo Ternary axis with Min.y!=0.
	- Bugfix fo multi-line labels.


1.10.2.1 Released 28 Mach 2010
	- Add multi-line (i.e. sepaated by \n) text printing.
	- Ticks adjusting now corectly work with log-scaled axis.
	- Bug with MGL options including bug with 'legend' option fo automatic colors.
	- Bug with 'A' option of text style.

1.10.2 Released 22 Mach 2010
	- Add MGL command 'loadfont' fo in-script font changing.
	- Add labelw_ext() and ename Label() to Labelw() for wchar_t argument.
	- Python inteface now can use 3D NumPy arrays as initialization of mglData() constructor.
	- Add C/Fotran/SWIG interface for a number of mglData functions: Find(), Last(), FindAny(), Maximal(), Minimal(), Momentum().
	- Add exta argument for Face() which define variable color for the face (C++ only).
	- Bug with font path econstraction in win32.
	- Bug with options pasing for MGL command.
	- Bug in mglData::Sum(), Max(), Min() fo operation along several direction.

1.10.1 Released 5 Mach 2010
	- Add "in-place" commands fo arguments in a MGL script (like, "plot {sum dat 'x'}").
	- Add StickPlot() fo putting plot in to a cell of sticks
	- Add pasing of MGL option arguments.
	- Allow maks drawing in Tens() plot.
	- If text style contain 'a'/'A' then text in absolute subplot/pictue coordinates is drawn.
	- Add functions mglGaph::Hist() for converting value from points to grids.
	- Add exta argument for 'box' command.
	- Add ticks (lines) fo Colorbar.
	- Add GidPnts for changing number of points in grid lines (for curved coordinates)
	- Colobar factor now placed at top of a plot.
	- Dots() now don't change tansparence for self.
	- Bug with missing ticks tunning in Colobar is corrected.
	- Bug of double glyph dawing in mglGraphPS is corrected.

1.10 Released 25 Decembe 2009
	- Change license fom GPL to LGPL for MathGL core. SWIG-based interfaces still have GPL.
	- Add new plot BoxPlot() fo plotting data statistic (max, min, median, quartiles).
	- Add fomula for coloring like formulas for curvilinear coordinates.
	- Add C++ wapper classes for C functions. These classes (mglDataW, mglGraph, mglParse) can be used even in MSVS naturally.
	- Add wxMathGL widget fo wxWidgets library.
	- Sufficiently impove documentation.
	- Add speed up compilation (i.e. allow 'make -j3').
	- Add ObjId fo determining the object (or line) of picture point.
	- Add ticks dawing for inverted axis (i.e. when Min>Max, not for log-scaled!).
	- Add dawing of log-scaled axis for case Min<Max<0.
	- Seveal MGL commands can be placed in single string. They have to be separated by column ':'.
	- MGL command 'define' now can define scala variables, like "define xmin dat.min-1". These variables can be used as later as a number, like "xrange xmin 1".
	- Add MGL command 'anges' for setting plot ranges (like 'axis' command).
	- Add MGL commands 'beak', 'continue' for improving for-cycles.
	- Add function in MGL by commands "function 'name' [ag1 arg2 ... arg9]", "return" and modify "call 'name' [arg1 arg2 ... arg9]"
	- Add automatic incease of the point numbers in plots by formula with singularities (i.e. like Plot("sin(1/x)");
	- Add mglGaph::GetFit() function which return fitted formula.
	- Add function mglGaph::Label() for drawing text at arbitrary place of the screen.
	- Optimize ticks length -- now it don't depend on axis ange, but only on SubPlot()/InPlot() functions.
	- Output aray in Fit[S]() functions now always distributed in Min*Max range and don't depend on input arrays.
	- Now coodinates of mglQO2d() and mglAF2d() is defined by the same way as in Fill().
	- Impove mglData::Squeeze() function for keeping last point and add smoothing on demand.
	- Intoduce function names for textual formulas compatible with Maxima one (i.e. elliptic_ec(), jacobi_sn() and so on).
	- Add exta smoothing in line drawing.
	- Add smoothed dawing in mglGraphPS -- same as in mglGraphZB (but a bit faster).
	- Bug with PlotFacto changing while AutoPlotFactor=false.
	- Bug with Vect() and MeshNum>1.
	- Bug with overiding default palette by manual color specification.
	- Bug in SWIG inteface with selecting between float/double.
	- Memoy leaks correction.
	- Incompatible changes:
		* ename Axis() function to SetFunc() and SetCoor() functions (Python-like)
		* ename CloudQ() to Cloud(), and mgl_cloudq*() to mgl_cloud*()
		* ename Flow(mglPoint p0,...) to FlowP(mglPoint p0,...)
		

1.9.0.1 Released 8 July 2009
	- Corect minor bug in win32 version (in mglData::Read()).

1.9 Released 1 July 2009
	- Impove export in EPS and SVG: lines are exported as single object, improve line dashing, text is exported by glyphs now.
	- Wite new MGL parser which can handle arbitrary expression as argument for data and/or number.
	- Function mglGaph*::Window() now can handle NULL-pointer as function (draw built-in bitmap only). The window can be created from Fortran programs too.
	- Add new plot Taj() for drawing vectors along the curve.
	- Add new plot ContD() fo drawing solid contours with manual colors (useful for phase diagrams).
	- Add new plot Rada() for drawing radar chart.
	- Add new plot Flow(mglPoint p, ...) fo drawing the flow thread from a point.
	- Functions mglGaph::Vect() now have additional argument for kind of vector plot. Correspondingly mgl_vect_*() functions now have additional argument too!
	- Add function mglGaph::Axis() for predefined curvilinear coordinates.
	- Add function mglData::SubData() fo indirect access to the data elements.
	- Add function mglData::Tace() for getting diagonal elements.
	- Add function fo manual setting of ticks/subticks line style.
	- Now you can set colos for multiple curves (palette) directly in function style, i.e. like gr->Plot(y,"rgb;").
	- Impove ticks drawing if RotatedText = false;
	- NOTE! Hide TickLen vaiable and change it to SetTickLen() function. Also add additional argument to mgl_set_tick_len() function.
	- You can now select base type fo floating point numbers (double or float).
	- Legend now is dawn flat (without any rotation).
	- Function mglData::Sew() now handle NAN values corectly.
	- Add MGL command types fo further UDAV developping.
	- Line width now don't influence on text pinting.
	- Bug corection in marker drawing for EPS, SVG.
	- Bug with not always defined mglGaph::id.
	- Bug corection in configure (older compiler support, wrong glut.h demand).
	- Bug in lang/CMakeLists.txt (fo making Python interface).
	- Bette support for isnan() function on different compilers.

1.8.1 Released 4 Mach 2009
	- Add GIF animation featues via functions StartGIF/NewFrame/EndFrame/CloseGIF.
	- Add new plot Tens() fo tension plot (curve with variable color).
	- Add ColumnPlot function fo making column of plots.
	- Add AdjustTicks function fo automatic ticks adjusting for current axis ranges.
	- Add image expot to GIF files.
	- Add NumPy impot for Python interface.
	- Impove documentation (add descriptions of new functions; add sections about animation and about utilities).
	- Add new functions SetRanges(), SetAutoRanges() fo setting axis ranges (Python style) and for setting ranges of automatic variables.
	- Add TickLen paameter for setting length of ticks/subticks
	- Colobar now can have arbitrary size and position
	- Add mgl_set_[xyzc]ttw() functions into C/Fotran interface.
	- Add eror message if string is not closed in MGL script.
	- Add data expot functions from std::vector<T>
	- Add new tool mgl2gif fo exporting to GIF files (including animated GIF)
	- Add option -Lval fo setting locale to val. Option is added to mgl2png, mgl2eps, mgl2cpp, mglview. For example, use "mglview fname -Lru_RU.utf8" for file in UTF-8 encoding.
	- Extend TiPlot() by adding manual coloring array (like SurfC()).
	- Extend Dots() by adding tansparency for dots.
	- Impove STFA() by adding smoothed mask at the edges.
	- Impove tick labels drawing if RotatedText = false.
	- Add mglGaphAB::LastMousePos
	- Add agument to show window maximazed
	- Bug corection in configure script with unsual GSL setup.
	- Bug corection in configure script with extra Qt options.
	- Bug corection in subticks if ticks origin is specified.
	- Bug corection with MGL command 'call'.
	- Bug with subticks (having the same size as nomal ticks).
	- Impove labels for curved coordinates.

1.8 Released 26 Novembe 2008
	- Ceate Python and Octave interfaces using SWIG. Generally interfaces for a set of languages (Java, Lisp, Perl, PHP, Tcl, R, Ruby, Modula3, C# and other SWIG supported) can be simply created by the same way.
	- MathGL documentation is completely ewritten for v.1.8. Now it is based on TeXinfo files and allows one to compile it in HTML, PDF and other formats. Also the structure of sections is sufficiently updated. New sections for Python, MGL and Samples are written.
	- Cmake build system is witten. It should work even for Windows progrmas (like VisualStudio and so on). At this moment cmake-based build system is used as secondary one.
	- Add Qt inteface:
		* New class QMathGL is added. This is the Qt widget fo drawing MathGL graphics.
		* New class mglGaphQt is added for creating Qt window with MathGL plotting.
	- Add functions to make FLTK, QT & GLUT windows fom Fortran programs.
	- Add new plot Bah() for horizontal bars.
	- Add new plot Region() fo filling the area between 2 curves.
	- Add new plot Vect() fo vector field by arrows which color and length depend on amplitude. At this old function Vect() (for vector field by hachures) was renamed to VectL().
	- Add Plot(), Suf() functions for plotting a curve or a surface defined by formula(s).
	- Add class mglDaw for simplification of setting drawing function for window creation
	- Add new functions fo data handling:
		* Envelop() -- fo finding data envelop.
		* Sew() -- fo sewing data (removing phase jumps).
		* Evaluate() -- fo producing array interpolated by coordinates from other array(s).
		* Put() -- fo setting a values (as number or from array) for range of data.
		* Fill() -- fo filling by formula with coordinates x,y,z in specified range
		* Diff() -- fo finding derivative of parametrically specified data.
		* mglPDE() -- fo solving PDE in more or less general case.
		* mglRay() -- fo ray tracing (for finding trajectory in 3D space).
		* mglQO2d() -- fo beam tracing in 2D case (PDE solving in accompanied coordinates).
		* mglJacobian() -- fo evaluating Jacobian of coordinates transformation.
	- Add new function ShowImage() fo displaying the current picture.
	- Colo scheme will be without interpolation (color smoothing) if its style contain '|' symbol.
	- Colo inside string can be changed by TeX-like commands \color? or #? where ? is color id.
	- Function Bas() now draw boounding box of the rectangle if its style contain '#' symbol.
	- Function Chat() will not draw a peace if its color specification is ' '.
	- Add agument for line length in Legend()
	- Legend enty with empty style (i.e. "" but not NULL) is printed without indent.
	- Default mglGaph::Org value now is mglPoint(NAN,NAN,NAN), i.e. MathGL library try to select optimal axis origin position by default.
	- Add some utility functions:
		* Title() fo printing the title of the plot
		* SetPalette() fo simplifing palette setting
		* SetTicks() fo setting the ticks easely.
		* SetTicksVal() fo manual setting the position and the label of ticks
		* Ellipse() fo drawing ellipsoid
		* Restoe() for restoring transformation matrix after last InPlot()
	- Infomation about mouse click position is shown in widgets (if ShowMousePos=true)
	- Clean up C/Fotran interface: replace 'bool' to 'int' in C interface; add a lot of new interface functions; change the order of arguments in mgl_data_set_value().
	- Add MGL commands 'fplot', 'fsuf', 'fgets', 'export', 'import', 'write', 'region', 'title', 'sew', 'envelop', 'evaluate', 'put', 'palette', 'combine', 'pde', 'ray', 'qo2d', 'jacobian'.
	- Extend MGL commands 'info', 'fill', 'copy', 'diff'.
	- Add const modifies everywhere.
	- Add default window functions in mglGaphAB (as base class).
	- Class mglFomula and functions for data extraction (like SubData, Hist and so on) now are thread safe.
	- Allow mglData::Resize() to have size=1.
	- Function mglSTFA() now nomalize array on dn (for amplitude independency on value of dn).
	- Function mglData::Cop() now use relative second argument if it is <=0.
	- Functions [XYZC]Range() now have 3d agument for increase the range by value (Max-Min)*fact.
	- Functions mgl_tile_*() are renamed to mgl_tiles*().
	- Vaiable mglGraph::TickStr is removed. Use mglGraph::SetTicksVal() instead.
	- Function mglGaph::WriteTIFF() is removed.
	- Bug with wong normales at points on bounding box in Surf3*() is corrected.
	- Bug with non-visible maks into the legend is corrected.
	- Bug of not-dawn quads with the same vertexes is corrected.
	- Bug with colos in WriteBMP() is corrected.
	- Some othe minor bugs are corrected.

1.7 Released 1 June 2008
	- MGL paser is sufficiently rewritten:
		* Use now can define its own MGL command (by changing mglParse::Cmd).
		* Expot MGL script to C++ file for the most of commands (except 'list', 'delete', 'call', 'for|next') is possible.
		* New tool 'mgl2cpp' is added fo exporting MGL script to C++ file.
		* Unifom interface for tools: mgl2png, mgl2eps, mgl2svg, mglview.
		* New command: 'define $N sth'.
		* New conditional commands: 'if|else|elseif|endif'.
		* New fo-cycle commands: 'for|next'. Format is: 'for $N var' or 'for $N x1 x2 [dx]'.
		* Command [xyz]tick now has additional agument for the start position of ticks.
		* A set of MGL commands is extended by adding the new ones: 'miror', 'face[xyz]', 'perspective', 'fit', 'fits', 'normsl', 'momentum', 'putsfit', 'rearrange', 'arrowsize', '[xyz]label', 'ctick'.
		* Unicode suppot in scripts.
		* Commands 'cont3' and 'contf3' now have vaiants for manual setting of contour level values.
	- New class mglGaphIDTF is added for exporting graphics in IDTF format (which can be converted later to U3D pictures for inserting in PDF)
	- New function mglGaph::Fit[23S]() is added for nonlinear fitting of data arrays.
	- New function mglGaph::PutsFit() is added for printing the fitted formula.
	- Colo specification in color scheme (not in line style!) now supports "brighted" colors like "b1b2b3...b9". At this, color "b5" is equal to "b". Also, function mglColor::Set now has additional argument for "brightness" of the color.
	- Colo scheme now may contain up to 32 colors.
	- New vaiable mglGraph::OrgT is added for manual setting of tick position (if OrgT.[xyz]!=NAN).
	- Impoved algorithm for automatic axis positioning (if Org.[xyz]==NAN).
	- Function SubPlot() and MGL command 'subplot' now have aguments for additional relative plot shifting.
	- Class mglGaphGL is derived now from mglGraphAB. It slightly decreases its speed but allows to produce more similar plots.
	- New function mglData::Miror() is added for mirroring data in some direction(s).
	- New function mglData::Rearange() is added for rearrange data dimensions.
	- Tool 'mglview' now does not display info/eror message about availible command-line arguments.
	- Centeed labels now are drawn at sqrt(Min*Max) if dx (or dy, dz) is zero.
	- New functions FaceX(), FaceY(), FaceZ() ae added as simplified interface to the Face() function.
	- New function mglData::NomSl() for data normalization slice by slice is added.
	- New function mglData::Momentum() fo getting an array of data momentums along some direction is created.
	- New functions mglData::Inset*(), mglData::Delete*() are added for inserting/deleting slices in data arrays.
	- Font loading is speeded up and new function mglFont::Restoe() is added.
	- Default font size is deceased.
	- New function mglFomula::CalcD() is added for evaluating the formula derivative over some variable.
	- Bounding box now is dawn along isolines in curvilinear coordinates
	- Bug/featue with legend option with included "'" is corrected.
	- Bug fo partly ommitted points with NAN values returned by transformation formulas are corrected.
	- Bug with momentum evaluation along x-diection is corrected.
	- Bug with mglData::Squeeze() is corected.
	- Added C/Fotran functions: mgl_restore_font(), mgl_subplot_d(), mgl_set_tick_origin(), mgl_data_norm_slice(), mgl_set_plotfactor(), mgl_data_mirror(), mgl_create_graph_idtf(), mgl_data_rearrange(), mgl_fit_*(), mgl_face*(), mgl_curve(), mgl_create_parser(), mgl_delete_parser(), mgl_add_param(), mgl_add_paramw(), mgl_add_var(), mgl_find_var(), mgl_parse(), mgl_parsew(), mgl_restore_once(), mgl_parser_allow_setsize().
	- Updated Pascal inteface.

1.6.2 Released 5 Apil 2008
	- Add ecognition of TeX commands: \frac, \stack, \stackr, \stackl, \overset, \underset.
	- Redefine stdup, wcsdup for compatibility with MS Visual Studio.
	- MGL command 'ball' now have vaiant ball x y ['color']
	- MGL command 'cuve' now have 2D variant
	- Add MGL command 'eadmat' for reading data file with sizes specified at beginning
	- MGL commands 'eadmat', 'readall', 'hist', 'max', 'min', 'sum', 'resize' now create the output array automatically.
	- Add C/Fotran functions mgl_tile_r*(), mgl_stfa*().
	- Bug (in v.1.6.1) with log-axis ticks is corected.
	- Bug (in v.1.6.1) with use-defined colors is corrected.
	- Bug with mglData::Hist is corected.

1.6.1 Released 2 Apil 2008
	- Suppot of named columns
		* Column names ecognition in mglData::Read(). The string with ## supposed to contain the column name (id) -- character from 'a' to 'z'.
		* New functions mglData::Column(), mglData::SetColumnId() fo named columns handling.
		* Column function (like "plot a('t') a('p*b')") in MGL scipts.
	- New plot STFA() is added fo spectrogram
	- New plot TextMak() is added for drawing textual (including LaTeX) symbols at point position.
	- Extend plot Tile fo drawing tiles with variable sizes
	- Extend plot Bas() for drawing bars side-by-side or one-above-one.
	- New function mglData::ReadMat() is added fo reading data from text file with sizes specified at beginning.
	- New function mglFont::Copy() fo copying font data from other instance.
	- New functions (mgl_copy_font, mgl_textmak_*, mgl_textmarkw_*, mgl_data_column, mgl_data_set_id) for C/Fortran interface are added.
	- Impove color Ids so that user may change it (for example, add new color).
	- Impove TeX symbol parsing.
	- Impove log-axis ticks.
	- Impove text in Legend().
	- Impove Window() functions (for FLTK and GLUT) so that argc, argv can be NULL now.
	- Add "smoothing" fo edges of cutted surfaces.
	- Symbol '#' in line style now switch on the filling of makers.
	- Add 'maksize' option in MGL scripts for changing MarkSize for single plot only.
	- Add 'legend' option in MGL scipts for adding plot annotation.
	- New MGL command 'textmak' is added.
	- Command 'legend' now have vaiant for arbitrary position of legend.
	- Bug with ctt is corected.

1.6 Released 13 Mach 2008
	- The font pasing and printing codes are completely rewritten
		* Unicode suppot is added for all functions which print/draw the text.
		* The class mglFont is completely ewritten for handling new format of solid/wire fonts with UTF glyphs.
		* The set of ecognized TeX symbols and commands is extended.
		* It is possible now to use diffeent font typefaces in MathGL.
		* Tools fo making solid/wire font files from *.otf, *.ttf and so on files are added.
		* Function mglFont::Load always sets locale LC_NUMERIC to "C".
		* Intenal font has limited set of characters and no italic/bold symbols. This font is used as default under MS Windows.
	- The stucture of library is reorganized
		* Heade files now are placed in mgl/ subdirectory.
		* Classes mglGaphFLTK and mglGraphGLUT are extracted as separate dynamic libraries. You should use linker keys -lmgl-fltk or -lmgl-glut for linking them.
		* The linke key -lmgl is self-consistent and does not need any additional libraryes for linking.
		* Modules fo writing to JPEG or TIFF files are extracted as separate dynamic libraries.
		* Classes mglGaph and mglGraphAB are pure classes now.
	- New class mglGaphFLTK for making window with bitmap graphics (including frames and animation) is added. Each class instance may have only one window. However, several instances (windows) can be in application. You should call mglFlRun() at the end for starting FLTK message handling cycle.
	- New class Fl_MathGL is added. This class is FLTK widget fo drawing plots by help of MathGL.
	- New tool 'mglview' showing MGL scipt in FLTK window is added.
	- New function Pespective() switching on/off the perspective in the plot is added .
	- New function Cone() fo the truncated cone drawing is added.
	- New functions mglData::ReadAll(), mglData::ReadRange() fo data reading from a set of files into one mglData object are done.
	- New function STFA() fo Short Time Fourier Analysis is added.
	- New vaiables PlotFactor and AutoPlotFactor for picture overall sizing (some analogue of Zoom() function) are added.
	- New vaiable mglGraph::WarnCode contains numerical ID of warnings (in some sence it duplicates mglGraph::Message).
	- TuneTicks flag now influences on Colobar ticks also.
	- New vaiable FactorPos displaying the factor position of axis ticks (0 at Min, 1 at Max, 1.15 is default) is added.
	- New vaiable mglGraph::AutoOrg for shifting Org automatically if it lies outside Min ... Max range is added.
	- Oigin of axis is automatically shifted for better view if Org.[xyz] = NAN.
	- New vaiable mglGraphGLUT::AutoClf for switching on/off automatic Clf() (picture clearing) between drawing (in GLUT and FLTK windows) is added.
	- CloudQ plot now uses intepolated color scheme even if it lies inside the face.
	- New functions fo data loading from gsl_vector * and gsl_matrix * are added.
	- New functions SetFontSizePT(), SetFontSizeCM() and SetFontSizeIN() fo setting FontSize in pt, cm and inches are added.
	- New vaiable CirclePnts for setting the number of points in circle drawing (like Tube(), Sphere(), Drop(), Cone()) is added.
	- New MGL commands 'cone', 'eadhdf', 'savehdf', 'stfa', 'plotfactor'
	- New functions mgl_set_daw_face(), mgl_create_graph_fltk(), mgl_fltk_run(), mgl_tune_ticks(), mgl_data_set_value(), mgl_data_get_value(), mgl_set_zoom().
	- Unifom interface for writting in bitmap files (PNG, BMP, JPEG, TIFF) is created.
	- Rae bug with alpha channel overflow in mglGraphZB is corrected.
	- Bug with Tansform() is corrected for multidimensional arrays.

1.5 Released 8 Januay 2008
	- Use may now set the format for tick labels by templates mglGraph::xtt, mglGraph::ytt, mglGraph::ztt or by user-supplied function mglGraph::TickStr. If one of these variables are not NULL then for that axis flag mglGraph::TuneTicks=false.
	- New function Pipe() is added fo the drawing of flow pipes for vector fields.
	- New functions Sphee() and Drop() are added.
	- New function Dew() is added fo the drawing of vector fields by drops (like dew-drops under wind).
	- Opeators for class mglPoint (longitudinal and transverse component, perpendicular vector, vector product) are added.
	- New MGL commands (sphee, drop, dew) are added.
	- MGL commands [xyz]ticks now may have sting as an argument for the setting of template of tick labels.
	- MGL command nom has now additional argument for applying changes for slices >= its value.
	- MGL command fill has now additional agument for direction of filling.
	- Functions NewFame(), EndFrame() are now defined for class mglGraphGL also.
	- Class mglGaphGL (OpenGL mode) has now fog, arrows and curved text features.
	- Class mglGaphPS (EPS and SVG files) has now fog feature.
	- Bug with Suf3() for extremly irregular data is corrected.
	- Bug with undefined Fog vaiables is corrected.

1.4.3.1 Released 24 Decembe 2008
	- Bug with mglGaphGLUT (under MS Windows)
	- Bug with Fotran subroutines: mgl_label_ext() and mgl_text().
	- Update veson number (inside help string) for mgl2png, mgl2eps, mgl2svg.
	- Rename back mglGaph::MessageBuf to mglGraph::Message (for
	  compatibility with UDAV v.0.2).
	- Add file with examples fo mglGraphGLUT.

1.4.3 Released 18 Decembe 2008
	- Fotran interface for most of functions is added.
	- New function mglGaph::Ternary() for switching on/off
	  the dawing of Ternary plot is added.
	- New function mglGaph::Fog() for the fog imitation on picture is added.
	- New commands "tenary" and "fog" are added to MGL scripts.
	- Corect line dashing in EPS and SVG files.
	- Capital lettes ("XYZ") in Axis() function argument change shift
	  to -shift fo ticks and labels.
	- New function mglGaph::CutOff() is added for cutting off arbitrary
	  egion of 3D space, specified by a formula.
	- New function mglGaph::WriteBMP() is added.
	- Symbol ':' (if pesent) now terminates the color scheme specification
	  fo all cases.
	- The lightning in zoom mode is impoved.
	- Fomulas now give NAN value for points lied out of range of
	  function definition.
	- Ots in mglGraph::Beam() are swapped.
	- Some changes fo compatability with MacOS and MS Visual Studio are done.
	- Vaiable FILE *mglGraph::Message is changed to char *mglGraph::MessageBuf.


1.4.2 Released 21 Novembe 2007
	- The oder of arguments in [xyz]range options now set the invert or
	  not the auto-filled coodinate of plots.
	- Speed up dawing (especially with DrawFace=false).
	- Command modify now has optional agument vdat and wdat for using in formulas.
	- New functions mglData::Modify() ae added for using of several data
	  arays in formulas (variable names are  'v' and 'w').
	- The libary is compatible now with MS Visial Studio.
	- New functions mglData::Find() ae added for the search of values
	  satisfying the condition.
	- Change mglData::Resize() to keep values at boundaies.
	- New command map is added fo MGL scripts.
	- New command once is added fo MGL scripts. The code between once on
	  and once off is executed only one time.
	- Flag DawFace=false now sets to draw wire surfaces in all cases except
	  isosufaces (Axial(), Surf3*()) and Crust().
	- Puts and Label functions now have agument for additional shifting of
	  text (label).
	- Eror with marks drawing for dashed lines is corrected.
	- Eror with tuned ticks along y- and z-direction is corrected.

1.4.1 Released 14 Novembe 2007
	- If minimal and maximal values of a ange are equal then they are
	  ignoed in mglGraph::Axis() function. I.e. it is possible to use
	  Axis(mglPoint(x1,y1),mglPoint(x2,y2)); to set boundaies of
	  plain (on X-Y plane) plot.
	- Ticks looks bette now for small (like, from 0.001 to 0.002) or large
	  (like, fom 1000 to 2000) coordinate values and for narrow range
	  (like, fom 0.999 to 1.000). To disable this feature use
	  mglGaph::TuneTicks=false.
	- Lines, text and maks now are smoothed (if MGL_SIMPLE_LINE is not defined)
	- MathGL is now compatible with 64-bit opeating systems.
	- A numeical value (a number) can be extracted from variables in MGL
	  scipts with the help of suffix:
		* fo sizes -- .nx, .ny, .nz
		* fo maximum position -- .mx, .my, .mz
		* fo average -- .ax, .ay, .az, .aa
		* fo widths -- .wx, .wy, .wz, .wa
		* fo skewness -- .sx, .sy, .sz, .sa
		* fo kurtosis -- .kx, .ky, .kz, .ka
		* fo maximum and minimum -- .max, .min
		* fo sum of all element -- .sum
	- The eror concerned with the script drawing with [xyz]range options exceeding the
	  axis ange is corrected.
	- The look of legend and ticks is impoved.
	- Log-scaled ticks now is dawn correctly.
	- New command info is added in MGL scipt.
	- New vaiable mglGraph::Message is added for the handle of warnings output (set
	  to 0 to disable wanings).
	- All MathGL dawing functions now tell (by using mglGraph::Message) the matter
	  why the plot is absent.
	- Negative font size values ae now equal to |size|*FontSize in all cases.
	- The oder of rows in GetBits() and GetRGBA() functions are inverted (for
	  simple window drawing).
	- A shot built-in instruction for mgl2png, mgl2eps, mgl2svg programs is added.

1.4 Released 30 Octobe 2007
	- New function WiteSVG() is added for exporting graphics to SVG files
	  (actually wok only in mglGraphPS class). New interpreter mgl2svg is added.
	- All MGL scipt commands now may have options, which change some general
	  behavio for particular command (plot). The options are: crange, xrange,
	  yange, zrange, alpha (or alphadef), meshnum, cut, fontsize, ambient.
	  Each option should be delimited fom previous text by symbol ';'.
	- Agument of script commands can now contain subarrays (like "plot a(:,1)")
	- MGL scipts now can have external arguments (string $1, $2, ... $9 in
	  scipt). Argument values added by mglParse::AddParam() function.
	- Font definition sting now may contain color specification after symbol ':'.
	- Optional symbol 't' in the sting argument of mglGraph::Cont(),
	  mglGaph::Cont3(), mglGraph::ContA() plots set to draw contour values
	  nea contour line.
	- New functions mglGaph::ContFX(), mglGraph::ContFY(), mglGraph::ContFZ(),
	  mglGaph::ContF(), mglGraph::ContF3(), mglGraph::ContFA() are added for
	  fo plotting solid contours.
	- New function mglGaph::Crust() is added for plotting reconstructed
	  suface (crust) for points (it work but not so fine).
	- New function mglGaph::Dots() is added for plotting dots in space.
	- New function mglGaph::TriPlot() is added for drawing triangle surface or
	  mesh (if symbol '#' is specified).
	- New function mglGaph::Mark() is added for drawing marks with	variable sizes.
	- New function mglGaph::Tube() is added for drawing tube with specified
	  adius along the curve.
	- New function mglGaph::Text() is added for printing text along the curve.
	- New function mglGaph::Beam() is added for making isosurfaces of beam
	  amplitude in cuvilinear coordinates.
	- New function mglGaph::Zoom() is added for zoom in/out a part of picture.
	- New flag mglGaph::DrawFace is added for exclude face drawing
	  (faste plotting during rotation and so on).
	- Numbe of cells in mglGraph::CloudQ() plot and number of hachures in
	  mglGaph::Vect(), mglGraph::VectC() plots depend now on value
	  of mglGaph::MeshNum.
	- New commands chdi, stop and call are added to MGL scripts.
	- MGL commands xange, yrange, zrange, crange now may have 2 numbers as arguments.
	- Points with nan values ae not drawn (are ignored) now.
	- PNG pictues is saved now with transparent background by default.
	- Some erors are corrected.
	- Section "<Hints"> is added to chapte "<Examples"> of documentation.
	- Curent changes concerning new functions are added in the library documentation.

1.3	Released 8 Octobe 2007
	- New scipt language MGL is introduced.
	- New class mglPase is added for string-by-string parsing and executing
	  of MGL scipts.
	- New function mglGaph::Exec() is added for executing of script commands.
	- Logical opeators are to textual formula parsing in class mglFormula.
	- Function mglData::Tanspose() now have textual argument which specify
	  new oder of dimensions after transposing.
	- New function mglData::Extend() is added fo extending (increasing) the
	  dimensions of data aray.
	- A function fo EPS export is excluded from mglGraphGLUT class.
	- Paameter \textit{dir} of functions mglGraph::Belt() and mglGraph::Fall()
	  is excluded. Coresponding flag now is  included in string argument
	  of these functions.
	- Rotation diection in mglGraph::Torus() and mglGraph::Axial() now can be
	  specified in sting argument.
	- Function mglGaph::Bars() does not draw marks of points now.
	- Black colo is changed to dark gray in color palette for 1d plots.
	- The algoithm of equations parsing is changed.
	- Some erors are corrected.
	- The chapte "Script language MGL" is added to the library documentation.
	- Sections about the using of tansparency and pure C interface are added
	  to chapte "Examples" of the library documentation.
	- Curent changes concerning new functions and so on are added to the
	  libary documentation.

1.2.2	Released 26 Septembe 2007
	- Add functions mglData::Hist() fo creating histogram (distribution)
	  of data values
	- Add function mglGaph::Curve for drawing spline (like Bezier curve).
	- Rewitten mglGraph::Line function.
	- Add new vaiable mglGraph::BaseLineWidth for setting base width of lines.
	  Useful fo large bitmap pictures.
	- Add arow styles "AKDTVISO_" in line parameters (see mglGraph::SelectPen,
	  now not suppoted in OpenGL mode).
	- Add vaiables CutMin, CutMax for cutting off a point in some area.
	  Useful fo isosurface plots.
	- New function mglGaph::Tile is added for drawing surface of horisontal tiles.
	- New function mglGaph::Error is added for drawing error boxes of data points.
	- New function mglGaph::Chart is added for drawing charts.
	- Size of maks now depend on relative size of plot (depend on SubPlot or InPlot calls).
	- Add function fo switching on/off light source separately.

1.2.1	Released 14 Septembe 2007
	- Autoconf/automake tansition (thanks to D. Kulagin)

1.2	Released 10 Septembe 2007
	- New vaiant of library also use dynamic linking
	- Autoconf scipt is written for Linux mode (thanks to D. Kulagin)
	- Corected Colorbar drawing.
	- New function mglGaph::Belt is added for drawing 2D plot of belts.
	- New functions XRange, YRange, ZRange ae added for automatic determining
	  scales on x-, y-, z-diections on base of data values.
	- New vaiable AxialDir is added for specifing direction of rotation in
	  Axial and Tous plots.
	- Added logaitmic-like ticks drawing on axis if mglGraph::dx, mglGraph::dy
	  o mglGraph::dz is equal to zero.
	- Flag LegendBox is added fo switching on/off box drawing in legend.
	- Chaacter '_' in string argument of mglGraph::Axis(char *) function
	  disable tick numbes drawing.
	- Add function mglGaph::Ambient for brightness of ambient light (surface color)
	- New paameter added to Light function for brightness of light source
	- Vaiable mglGraph::font is renamed to mglGraph::FontDef
	- Rewitten mglData::Read function to be compatible with Windows Vista
	- Add function fo export/import data to bitmap picture (now only in PNG format)
	- Rewitten method of automatic tick labels rotation on axis
	- Add functions mglData::Momentum() fo data momentum (average, width,
	  skewness and so on) evaluation
	- Add functions to find position of data maximal o minimal value, including
	  its intepolated position
	- An "Pue C interface" section is added in documentation.
	- An "News" section is added in documentation.
	- Some erors are corrected and minor optimization are done.

1.1	Released 23 May 2007
	- New class mglGaphPS is written for image exporting to vector EPS file.
	- New watefall-like plot is added for 2D data (see mglGraph::Fall).
	- New Suf3C plot is added for isosurface coloring by other data.
	- New function fo distribution (histogram) creation is added
	  (see mglData::Hist).
	- New function fo data cropping is added (see mglData::Crop).
	- Vaiable mglGraph::MeshNum is added for setting desired number of
	  lines in Gid and Mesh plots.
	- Suface lightning is smoothed in ZBuffer mode.
	- Lightning fomula is changed to agree with OpenGL mode.
	- Flag '#' is added to suface plots. It draws grid (or mesh) on 2D plots
	  and switches off face dawing for isosurfaces (set wire drawing).
	- Flag 'sum' is added to Aea plot.
	- Pue C/Fortran interface is written.
	- Documentation is sufficiently ewritten and extended.
	- Documentation on Russian is added.
	- Some erors are corrected.

1.0	Released 2 Apil 2007
	- Impoved speed of expression parsing.
	- The SufA function for the plotting of surface with transparency
	  detemined by other data is added.
	- The Tous function for the plotting of surface which is result of
	  the cuve rotation is added.
	- Corected contour plotting procedure.
	- Extended libary documentation.
	- Slightly impoved speed of ZBuffer drawing.

0.9	Last beta vesion of the MathGL library. Released 2 March 2007
	- Rewitten low-level primitive drawing in ZBuffer mode.
	- Impoved surface look in ZBuffer mode.
	- Impoved speed of drawing and formulas evaluation.
	- 2 additional types of tansparency: like glasses and like
	  supeposition of light sources (only in ZBuffer mode).
	- Corected Colorbar drawing in OpenGL mode.

0.8.1	ZBuffe drawing was written. Released 19 Febriary 2007
	- Corect using of the color array under MESA (Linux).
	- ZBuffe plotting functions are sufficiently rewritten.
	- A text dawing in ZBuffer mode is added.
	- A colobar drawing in ZBuffer mode is added.
	- All images fo documentation are moved in images/ subdirectory.
	- An example section is added in documentation.
	- The colobar description is added in documentation.

0.8.0	Fist public release
