The extensions field must end with a semicolon.
The extensions field can no longer contain a directory.
Disable all checkboxes, textfields and the directory search button while searching and enable them when we finish searching.
The checkbox titled 'Options' no longer expands when the window resizes.
When we finished (succesfully) searching through a directory we should also re-enable all controls.
Finishing searching through a directory now also clears the cursor back to default.