Update selftest for issue #112 (needed for: pypy). Add selftests for issues #139, #142, #148.
UPDATE: Various fixes, sync w/ behave master repository.
Merge branch 'master' into develop
Make multi-formatter patch configurable.
UPDATE lastest changes/fixes from master-repo.
behave_test: Collect test_groups.
UPDATE: tox
UPDATE: Merge lastest changes from behave master repository.
Temporarily remove feature test (does not work w/ tox currently).
UPDATE: Merge lastest changes from master branch.
Update to latest changes in build environment.