Full 1.0.20

-Bug in Colmar Pocket - c17. History tab had “ instead of ". (Allen)
-Bug in Road to Casablanca - c05: us_shooting_group amended to us_group. (Allen)
-Crash: 'NoneType' object has no attribute 'surround_HexIs' (luke)
-Crash: object has no attribute 'player_character_p' (Luke) -
-Crash: object has no attribute 'PlayerI' (Luke ) -
-Crash: NoneType' object has no attribute 'CUI_in_grp_p'(Luke)
-Crash: NoneType' object has no attribute 'get_HexI' (Luke)