Finalized the ENLARGE_MODE functionality.
Changed the color yellow.
Fixed misc bugs with enlarge and canny load.
Cleared background on start over.
Added ability to add text to image.
Fixed all the sizing issues by removing all references to self.view.frame.size. This eliminated the need for scale factors. Also forced any loaded images to conform to the size of the canvas.
Finalized handling of addition of text as well as text movement and shrink/grow text size.
Made pinch gestures smoother and less buggy.
Fixed multiple memory lag bugs.