this is a long commit

[tzukpolinsky]

1. i added some destroy to the windows to clean up after an operation was finished
2. i replaced some hard coded string with the enums of the tkinter lib in order to preserve them if and when they will update the package.
3. i changed the default size of the pop ups, because most of them are larger than the original value.
4. some save paths and printing string were incorrect
5. enabled running on multiple video in paralleled
6. added directionality analyst and visualizer for a deepLabCut features and not just between mice's