/** LoopCall is used to call a command classes handler repeatedly based on the contents of a comma seperated list.
* There are two overriden versions of this method, one of which takes two potential lists and the other takes one.
* We need a version which takes two potential lists for JOIN, because a JOIN may contain two lists of items at once,
/** LoopCall is used to call a command classes handler repeatedly based on the contents of a comma seperated list.
* There are two overriden versions of this method, one of which takes two potential lists and the other takes one.
* We need a version which takes two potential lists for JOIN, because a JOIN may contain two lists of items at once,