resolved the Lexer listener/visitor issue by changing the tests grammar
using @members to @parser::members
warningw to be fixed separately
Merge branch 'Improved-tests-granularity' into Preliminary-enhancements-for-Python-target
Oops, removed some unwanted changes
unwanted format change
Merge pull request #609 from ericvergnaud/Preliminary-enhancements-for-Python-target

Preliminary changes for Python
Merge branch 'Preliminary-enhancements-for-Python-target' into Improved-tests-granularity