Results 3 issues of Brian Chow

![image](https://user-images.githubusercontent.com/7777982/82426418-2bacb980-9acb-11ea-8619-be5637011a39.png) This happened so far once and I couldn't replicate it yet. I basically just tried scrolling several times back and forth from slice 55-53. Will monitor again.

If the screen is maximised, the 'esc' button will respond to 'exit fullscreen' as the priority. Example, when I accidentally clicked "add" or "A key" to create object, I wanted...

Testing to flag the 1st issue in git. Very low priority issue anyway. When I click to load an image, the popup window appears behind the app instead of appearing...