DH, had internet problems, plus the TV was out (all connected) so sorry about this double posting and editing above:
Koshling
Also my enemy (Cherokee) has just BYPASSED an open city (no defenders) and not at least razing it??


Now because of this
inadequacy, i was able to get my Assassin next to them and Pick them off
one by one.
Also see 2nd screenie with explanation in pic), thx.
EDIT: See 3rd pic

, I haven't had more than 2 Civ's before hand when playing with Rev On recently but as you can see they are back to Normal again(i started with 12 civs), popping up everywhere, so something you did in the last coding on AI must have also triggered this, nice. At least as far as i can tell (your fix below)
Use in an outcome mission (like slaughter)
Use to construct a building
Disbanding
Upgrading
Reworked improvement upgrade slightly to be more granular in its use of modifiers, and to give correct displayed numbers in plot hover text