Bug List
- globalScope> Global vl_pgm_read_new (char const *name, VlPgmImage *im, vl_uint8 **data)
- Only PGM files with 1 BPP are supported.
- globalScope> Global vl_pgm_read_new_f (char const *name, VlPgmImage *im, float **data)
- Only PGM files with 1 BPP are supported.