v2.0.3

• Update README - async open #51 (by @runk)
• Release scripts #52 (by @runk)
• More tests for decoder #38 (by @runk)
• Mmdb support (geoip2) #36 (by @runk)
• ipv6 parser simplifications #41 (by @runk)
• Fix variable typo #43 (by @nicjohnson)
• extract benchmark into separate project #37 (by @runk)
• basic ipv6 parser #40 (by @runk)
• Async open #49 (by @runk)
• 100% coverage #39 (by @runk)

v0.6.0

Merge pull request #34 from Belev/improve-examples

Better naming. Remove redundant code.