The various assemblies should be working now.

Old style bombs and suicide vests temporarily removed.
Players can now be job banned from being a pAI.
Added null checks to explosion() due to runtime errors. 
Changelog updated


git-svn-id: http://tgstation13.googlecode.com/svn/trunk@1980 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/explosion.dm

@@ -37,28 +37,37 @@ proc/explosion(turf/epicenter, devastation_range, heavy_impact_range, light_impa
 			if(distance < devastation_range)
 				for(var/atom/object in T.contents)
 					spawn()
-						object.ex_act(1)
+						if(object)
+							object.ex_act(1)
 				if(prob(5))
-					T.ex_act(2)
+					if(T)
+						T.ex_act(2)
 				else
-					T.ex_act(1)
+					if(T)
+						T.ex_act(1)
 			else if(distance < heavy_impact_range)
 				for(var/atom/object in T.contents)
 					spawn()
-						object.ex_act(2)
-				T.ex_act(2)
+						if(object)
+							object.ex_act(2)
+				if(T)
+					T.ex_act(2)
 			else if (distance == heavy_impact_range)
 				for(var/atom/object in T.contents)
-					object.ex_act(2)
+					if(object)
+						object.ex_act(2)
 				if(prob(15) && devastation_range > 2 && heavy_impact_range > 2)
 					secondaryexplosion(T, 1)
 				else
-					T.ex_act(2)
+					if(T)
+						T.ex_act(2)
 			else if(distance <= light_impact_range)
 				for(var/atom/object in T.contents)
 					spawn()
-						object.ex_act(3)
-				T.ex_act(3)
+						if(object)
+							object.ex_act(3)
+				if(T)
+					T.ex_act(3)
 			for(var/mob/living/carbon/mob in T)
 				flick("flash", mob:flash)