Added Copy button

Bug Fixes

Added Revert Button.
Increase Filter Image Size Limit.
Several Bug Fixes

Implements Apple's hardened runtime built-in protection for better Laptop security.

Re-enabled Borders feature
Now image updates while processing.

Ported to swift4
Changed App Icon
Fixed Minor UI bugs

Borders Option:
Now you can enable borders, to give a nice twist to the filter.
This effect is recursive, so you can apply the same settings multiple times an get different results.
Minor UI fixes.