Added

• #190: Added text marshaling and unmarshaling
• #167: Added JSON marshalling for constraints (thanks @SimonTheLeg)
• #173: Implement encoding.TextMarshaler and encoding.TextUnmarshaler on Version (thanks @MarkRosemaker)
• #179: Added New() version constructor (thanks @kazhuravlev)

Changed

• #182/#183: Updated CI testing setup

Fixed

• #186: Fixing issue where validation of constraint section gave false positives
• #176: Fix constraints check with *-0 (thanks @mtt0)
• #181: Fixed Caret operator (^) gives unexpected results when the minor version in constraint is 0 (thanks @arshchimni)
• #161: Fixed godoc (thanks @afirth)