Updated lz4 to r121
Updated setup to reflect r121, and my contact information
Added lz4io, and decompress filename
Added doc strings, and fix for decompressFile
Clean up
Merge branch 'r121'

Conflicts:
	setup.py
	src/lz4io.c
	src/lz4io.h
	src/xxhash.c
	src/xxhash.h