ADD: American tropical and British winter unit portraits by jkprince
CNG: Updated unit data for the Japanese Type 91 Armoured Car
FIX: Changed 'tank' to 'vehicle' in several strings
FIX: When the player unit was hit by an attack and a crewman knocked unconscious, their command was not set to None, so in the case of an Overrun attack they were still able to act in that turn's Shooting phase
FIX: No longer possible to inadvertantly advance into the next Scenario phase while hex view mode is active
FIX: Expert Shot now replaces Crack Shot in a crewman's skill list