Added throwing an exception in paypal plugin if cost eval code returns
false, i.e. it can't work out what the cost is and has to abandon ship.
Fixing booboo form last commit on calc.php which removed the element ID
from the JS options, breaking AJAX calc.
Fix to fix for fix of checkbox filtering.  My sister was bitten by a
moose once.
Additional fix for previous fix of fix for checkbox filter.  Some kinda
PHP bug from what I can tell, using the same &$v in successive foreach
loops ends up modifying the last value of the previous loop.
Another checkbox filter fix.  Needed to strip spaces in case they
entered "'foo', 'bar', 'baz'" as an IN value in a pre-filter.
Adding groupoutro to default template