v0.6.0

v0.6.0 (2019-08-02)

Diff since v0.5.2

Closed issues:

• Are all 3 compressors in this package literally identical? (#44)
• Error building CodecZlib (not #38) (#42)
• Error building CodecZlib (#38)

Merged pull requests:

• replace REQUIRE with Project.toml (#45) (bicycle1885)