Changed visibility of Generator members.
Changed visibility of Generator members.

- hotfix: all state members must be visible to user assembly
- todo: fix trough access via Operators methods

iolevel/peachpie-concept,peachpiecompiler/peachpie,iolevel/peachpie,peachpiecompiler/peachpie,iolevel/peachpie-concept,iolevel/peachpie,peachpiecompiler/peachpie,iolevel/peachpie,iolevel/peachpie-concept