Adding nice error message for find-in-reference.
Fixing some of the calls to Pig Function refs and updating the snippets.
Adding snippets to a group in prep for more snippets!
Merge branch 'master' of github.com:motus/pig-mode into motus-master

Conflicts:
	pig-mode.el
Merge pull request #12 from ayman/master

Fixes, Features, and whitespace.

Awesome!!