2010.12.8
ds2sdk 0.13beta
do some modifications of communication protocol to improve communication speed.But for compatibility with older versions,
Speed increase is not obvious.
increase the audio buffer from 4 to 16.
support audio queue priority.
support for multiple audio sample rates, eg.11025Hz, 22050Hz, 44100Hz, 48000Hz, 96000Hz and so on.
added interleave data format for audio data transfer.
added the function ds2_setAudio.

2010.10.10
ds2sdk 0.12beta
fixed serval bugs on file system
fixed the bug in ds2_getrawInput function
using float point algorithm to improve accuracy of timer
added ds2io_initb

2010.8.6
ds2sdk 0.11beta
fixed bug of ds2_init() function in libds2b.a

2010.7.23
ds2sdk 0.1beta
the original beta version
this version do not employ any OS
