- some functions dealing with structure quantity at some location now additionally take a boolean which indicates whether half-built structures should be ignored (stock AI is updated accordingly)
- added sqrt() and exp() functions
- added friendlyWeapObjCostInRange() function to calculate cost of friendly units within a certain range
- CALL_RESEARCHCOMPLETED now additionally returns structure that has completed research and its owner
git-svn-id: svn+ssh://svn.gna.org/svn/warzone/trunk@2495 4a71c877-e1ca-e34f-864e-861f7616d084