Tweaked the button and link method comments a little.
Added some more text to the Readme.  Fixed the hole where action methods didn't check to see if the method had already been defined for the class.
Fixed the fit method for Checkboxes.
Added the #commas method for numbers that need commas in them.
Small code cleanup
Merge pull request #6 from aheward/master

Updated to gem version 0.2.7