r130:
Fixed : incompatibility sparse mode vs console, reported by Yongwoon Cho (#105)
Fixed : LZ4IO exits too early when frame crc not present, reported by Yongwoon Cho (#106)
+Fixed : incompatibility sparse mode vs append mode, reported by Takayuki Matsuoka (#110)
Performance fix : big compression speed boost for clang (+30%)
+New : cross-version test, by Takayuki Matsuoka
r129:
Added : LZ4_compress_fast(), LZ4_compress_fast_continue()