Update to v0.12

2 new combat encounters
2 new events
ai completely rewritten as a proper tweakable decision making module
new objective type and objective system rewritten to be able to hold multiple at once (also supports god mode better)
2 new enemy units
updated unit selection window for easier access
text box opacity option
space hotkey for ending units move
enter hotkey for ending turn
viewport scrolling via arrowkeys (clunky for now)
unit level visual update bug fix
replaced "type" variable for mod support on request
a few optimization tricks