* Better way of default "activate *all* sleeper cells"
* bug fix in call can_witdraw
* added regime_change action and remove handleRegimeChange
* refactor do_deploy, do_withdraw conditional statements DRY.
* refactor regime_change tests to test new regime change action
* fix *event_in_play methods to properly handle lists and duplicate events like aid
* removed handleRegimeChange - deprecated
* removed can_witdraw. placed condition in withdraw method.
* added country exist tests and renamed a test
* refactored regime change tests
* refactored withdraw tests
* added board tests; random_roll() and countries exist
* added deploy tests
* not_allied test iterate through all alignments