[annotations] enum value not resolved

[akomm]

Q	A
Bug report?	yes
Feature request?	no
BC Break report?	no
RFC?	no
Version/Branch	^0.12

@Enum returned does not resolve to its $value. It should behave same as with input. Currently I get type error, when returning an @Enum instance.

For example the default resolve for @Enum should be @=value.methodName().value on method.