Add exclude method to 'Choose apps' list.

[rA3ka]

When the list of apps is very long the user does not have a practical method to exclude a one or more apps. Suggestion could be to add a 'Select all' function to be able exclude apps easily.

[tladesignz]

Change will be contained in version 0.1.5 arriving in the next hours/days! Please test and confirm viability or suggest changes.