Merge pull request #2 from BrianACS/master

Added 'content_before' and 'content_after' for field extras.
Merge pull request #3 from BrianACS/master

Updated README to include examples for content_before & after.
Merge pull request #4 from BrianACS/master

Fixed incorrect location for example type:"hidden" on README.
Merge pull request #5 from BrianACS/master

If a hidden field did not have the variable 'value' set as well, we were...
Added some little use DB;