Allow the textmate helper to run the selected text by default, falling back to the whole doc.
Allow the textmate helper to run the selected text by default, falling back to the whole doc.

paulmillr/LiveScript.tmbundle,msmiley/coffee-script.tmbundle,jashkenas/coffee-script-tmbundle,Jv-Juven/coffee-script-tmbundle,infininight/coffee-script-tmbundle