#1380 * Updated `axutils.isValid(element)` to use new `axuielement:isValid()` method.
#1380
* Updated `axutils.isValid(element)` to use new `axuielement:isValid()` method.

CommandPost/CommandPost,fcpxhacks/fcpxhacks,CommandPost/CommandPost,fcpxhacks/fcpxhacks,CommandPost/CommandPost