Reducing number of messages printed during tree collection
Fixing bug in function application
Including more tests in tests_funApp_external
When the refactoring is applied to the whole project, the definitions files are not modified
Including test20 in tests_all_case
Merge branch 'wrangler_sbl' of github.com:RefactoringTools/wrangler into wrangler_sbl

Merging evaluator with refactorings
Updating eval_funApp according to change in core_funApp