Major changes from version 2.49 to version 2.50:

- Added support for these video codecs:
    Angel Potion 4 definitive version 1 [AP41],
    Microsoft MPEG-4 Version 1 [MPG4],
    Microsoft MPEG-4 Version 2 [MP42],
    Microsoft H.263 [M263],
    H.263 [H263],
    Intel I263 H.263 [I263],
    Xirlink H.263 Video Codec [X263],
    Sorenson v1 [SVQ1],
- Faster DivX decompression
