- added WF_RESTRICT
- fixed slight misreporting of compressed size (didn't have any ill effects, aside from the next fix)
- fixed some uninitialized data, which was making compressed data vary between calls to Compress() / CompressFast()

git-svn-id: http://wflz.googlecode.com/svn/trunk@10 5cb18fbd-3573-590b-6a3f-1843d44457c3