Experimental (better, branched it and fixed a PSR error)

Now I did a correct branch so I don't soil the develop branch with experimental tinkering.

Also fixed a PSR error in Checkboxes.php (the inline if statements in the for loop in invoke() )

Here are the other PSR errors that showed up, which supposedly were already in before the fork:

http://pastebin.com/ecBJvMuL