v1.2.11: Opportune fixes

Just a little patch here, with some bugfixes and modding improvements!

CHANGES

• Fixed incorrect damage estimation with delayed abilities using Opportunist with other weapon passives
• Slightly optimized texture loading
• Fixed crash on launch for users with certain language settings

MODDING

• Added Lua function 'getGlobal_string()'
• Fixed formula 'w2:weight' using main hand weapon instead of offhand
• Modded drawOrderFX now use texture size as sourceRect if it isn't specified
• Mods can now specify colors by name, by R,G,B format, or by R,G,B,A format
• Moved some hardcoded formulas to c_formulas.txt
• Fixed cloned ItemTypes counting against maximum of 20,000 ItemTypes limit
• Fixed m:randSign not working
• Build mode Fill tool (hotkey: f) rework!
  • Highlights all affected tiles beforehand
  • Now only selects contiguous tiles, like a normal fill tool
  • Can select non-contiguous if Ctrl is held
  • Range increased from 8 -> 15