Rewrite barf
Move pre-handler to more consistent position.
Requery for the enclosing sexp after pre-handler is run
Respect the numeric arg in barfing
Fix some tests
[ruby-mode] Fix barf-backward
Merge branch 'master' into barf-rewrite
[ruby-mode] Partially fix all barfing
[ruby-mode] Fix barf with numerical argument
[ruby-mode] Added post handler to {}
Merge branch 'barf-rewrite'