New : LZ4 Streaming API (Fast version), special thanks to Takayuki Matsuoka

New : datagen : parametrable synthetic data generator for tests
Improved : fuzzer, support more test cases, more parameters, ability to jump to specific test
fix : support ppc64le platform (issue 131)
fix : Issue 52 (malicious address space overflow in 32-bits mode when using custom format)
fix : Makefile : minor issue 130 : header files permissions