Zstandard v0.8.0

Final compression format
Improved : better speed on clang and gcc -O2, thanks to @ebiggers
New : Build on FreeBSD and DragonFly, thanks to @jrmarino
Changed : modified API : ZSTD_compressEnd()
Fixed : legacy mode with ZSTD_HEAPMODE=0, by @gymdis
Fixed : premature end of frame when zero-sized raw block, reported by @ebiggers
Fixed : large dictionaries (> 384 KB), reported by Ilona Papava
Fixed : checksum correctly checked in single-pass mode
Fixed : combined --test amd --rm, reported by @amnilsson
Modified : minor compression level adaptations
Updated : compression format specification to v0.2.0
changed : zstd.h moved to /lib directory