lzbench v1.6
Changes:
- zstd updated to v1.1.3
- lz4 updated to v1.7.5
- lz5 updated to v2.0
- improved: touch pages in buffer allocations prior to running first algorithm (thanks to @travisdowns travisdowns)
- fixed: check if input name is a directory
- fixed: median time (the "-p3" option, thanks to @svpv)