TG: More work on NTSL and world/Topic()

Includes a plethora of new NTSL functions, courtesy of Donkieyo (thread:
http://nanotrasen.com/phpBB3/viewtopic.php?f=16&t=8153)

Bugfix for a weird runtime generated when an AI tries to interact with telecomms
machinery directly.
Revision: r3347
Author: 	 vageyenaman

code/game/topic.dm

@@ -12,8 +12,11 @@
 		s["host"] = host ? host : null
 		s["players"] = list()
 		s["admins"] = 0
+		var/admins = 0
 		var/n = 0
+
 		for(var/client/C)
+
 			n++
 			if(C.holder && C.holder.level >= 0) //not retired admin
 				if(!C.stealth) //stealthmins dont count as admins
@@ -25,4 +28,9 @@
 				s["player[n]"] = "[C.key]"
 		s["players"] = n
 		s["end"] = "#end"
-		return list2params(s)
+
+		// 7 + s["players"] + 1 = index of s["revinfo"]
+		s["revision"] = revdata.revision
+		s["admins"] = admins
+
+		return list2params(s)