Suggest to have 1 as default operand

[hwmaier]

Being a programmer I got taken by surprise how the very handy "If" snippet works as I expected I could simply use it to test a boolean expression without having to specify an operator or operand.

Hence I would suggest the following change:

• Set default operand to 1

  This can be used then to use a snippet returning the result of a boolean expression as subject without having to specify an operand and would work as one expects. Example:

  isSet snippet: <?php return defined('SOME_CONSTANT') ?>

   [[If? &subject=`[[isSet]]` &then=`true` &else=`false`]]

without that change, the logic is reversed which I find very confusing.