NEW_GEN: Annotate if a declaration is actually used, useful when finding which declarations is needed to print after the constant expression evaluator.
TypeAnnotate binary expression ..
NEW_GEN: Several small fixes. Pushed down namespace prefix so not requiring caller to know. Fixed output port variables that also are initialised with input port variable value. Skip printing top network level of declarations that is not used (most is not used). Actor setParam value fixed. Make sure that nested foreach statements are handled.