Changelog for signable-0.2

Version 0.2

Field indexes of any unset field (message/repeated/oneof) are ignored in serialized payload to make possible rolling upgrades BREAKING CHANGE
Fully qualified names are used in generated Signable class instances source code to prevent possible shadowing issues (bugfix)
Signable class instances source code is generated in eta-reduced form to prevent possible shadowing issues (bugfix)
Provided code for special cases where protobuf field is named as Haskell keyword like data, class, instance etc (bugfix)