up go version

stable version before go version bump

Update .travis.yml (#324)

Adding power support.

fix parser for go 1.15 (multiline comments)

fix parser for go 1.15 (#304)

* fix parser for go 1.15

fix parser for go 1.15 (multiline comments)

fix parser for go 1.15 (multiline comments)

Remove spurious print (#300)

use easyjson.MarshalerUnmarshaler instead of custom (#299)

Merge pull request #267 from skinass/marshal_unmarshal_unknown_fields

add interfaces to provide marshal/unmarshal logic for unknown fields in struct