f fixed, c change, + add, -remove

2012-2-19
avisynth.h is now from 2.58
+ sorathread: a totally cache-disabled version is offered (with cache=0)
c sorathread: the parameter "cache" is now default 0
+ sorathread: reduce the possibility to waste buffered frame
f sorasmserver: error message is given when avisynth script has errors.
c sorathread (internal): some codes of mutex and conditional variable usage rollback to the version 20120211

2012-2-13
binaries are compiled with /LARGEADDRESSAWARE
f sorathread: over use buffer and cache
f sorasmserver: avs script without a empty line in the end 
                of the file could be read correctly now.

2012-2-11
+ sorathread: custom prefetch algorithm is supported via lua script
f sorasmserver: the way to retrive single frame size is changed.
                the previous one causes overflow and crashes.

2012-2-10
first release
