Fixed a bug with refreshing the glower grid when turning light blocking on or off on buildings.

Added check for invisibility of pawns when searching with WTF.

Added property "Is Airtight" and "Is Stuffable Airtight" to the buildigns category.

Added property "Is Airtight" to the materials category.

Restored mod support for humanoid alien races.

Mod support:

Architect Icons -> working
Dubs Mint Menu -> updated
[SYR] Trait Value (Continued) -> upgraded
Vanilla Skills Expanded -> working
[XND] Profitable Weapons (Continued) -> working
humanoid alien race -> no 1.6
combat extended -> no 1.6
vanilla power expanded gas network(Vanilla Helixien Gas Expanded) -> no 1.6

Added 1.6 support.

Removed pathfinding.

Properties that have changed or no longer exist:

• Wildness in race properties is replaced with a stat wildness.
  
• PreceptDef.disablesCrampedRoomThought -> removed
  
• drawdata missing useHediffAnchor -> removed
  
• HediffDef CausesNeed -> removed
  
• HediffDef disablesNeeds -> removed
  
• GeneDef causesNeed -> removed
  
• TraitDegreeData needs -> removed

Mod support:

architect icons
dubs mint menu
skills expanded support -> no 1.6
alien race support -> no 1.6
combat extended -> no 1.6
syrtraitvalue -> no 1.6
vanilla power expanded gas network(Vanilla Helixien Gas Expanded) -> no 1.6
profitable weapons -> no 1.6

Added property "Buildings" -> "Damagable By Attacks".

Added property "Book XP gain per Quality" under category "General Settings".

Bug-Fix: Lowered minimum for "Eat at once" property in food to zero(unlimited) from previous one. Previously edited foods that used zero will have that value automatically bumped up to one. The property must be reset(green button behind it) if that change is not desired.

Added "Special Display Radius" propety to "Buildings" category.

Added keybinding for wtf dialog.