Merge pull request #5 from tyeen/master

Thanks for this. I’ll give it a try. Change color and diff indicating
Avoiding hard-coded values in popover and replaced sizeToFit with computed values of the source text view.
Small bits of readability and consistency (if you agree :-)
Diffs now also show in scrollbar.
Merge pull request #6 from onekiloparsec/master

Fixed the handling of long lines, thanks. I can see you really like curly braces.
Diffs now also show in scrollbar.
Fix indentation
Commenting out lockFocus that cause crashes.
Merge pull request #7 from onekiloparsec/master

Commenting out lockFocus that cause crashes.
Tidy-up
Tidy-up
new graphic
Colouring when hovering over deltas.