added handling of paren_type.
Merge branch 'master' of github.com:RefactoringTools/wrangler
fixed appen_guard_1 to handle the case when the pats is empty, but there is a guard expression.
fix problem with maps.
fix problem with maps.
fixed problem with maps.
fixed problem with maps.
fixed problem with maps.
Merge pull request #3 from RefactoringTools/master

fixed problem with maps