08.03.2002 - added support for custom MPEG4 quant matrices 08.03.2002 - new core structure - mbcoding/mbdecoding rewrite - API change, introduced feature flags - Bitreader/Bitwriter merge - putbits speedup - ratecontrol rewrite (it's total crap, just a 5 minute hack...) - split motion estimation and motion compensation into different files - encoder.c cleanup - NOTE: DivX4 API compatibility is partly broken right now - NOTE: custom MPEG quant matrices are currently ignored