Added function supports()

Added new function in globals to determine if a particular feature is
supported. This should allow compatibility to be maintained across
server versions.

COM/server/globals.lua

@@ -21,4 +21,14 @@ end
 
 function toboolean(v)
     return (type(v) == "string" and v == "true") or (type(v) == "number" and v ~= 0) or (type(v) == "boolean" and v)
+end
+
+function supports(feature)
+    if ServVer == -1 then
+        return true
+    end
+
+    if feature == "IP" then
+        return ServVer >= 12
+    end
 end

COM/server/processor.lua

@@ -9,31 +9,31 @@ local GeneratePlayerInfo =
         if p == nil then
             return "null"
         end
-        
+
         local ip = "null"
 
-        if ServVer == "0.1.2" then
+        if supports("IP") then
             ip = p:GetIP()
         end
-        
+
         local veh = "null"
         local veh_health = -1
-        
+
         if p:InVehicle() then
             veh = p:GetVehicle():GetName()
             veh_health = p:GetVehicle():GetHealth()
         end
-        
+
         local wep = p:GetEquippedWeapon()
-        
+
         if wep ~= nil then
             wep = wep.id
         else
             wep = -1
         end
-        
+
         local pos = p:GetPosition()
-        
+
         return p:GetId()..","
         ..p:GetName()..","
         ..ip..","
@@ -56,7 +56,7 @@ local GeneratePlayerData =
 
         local ip = "null"
 
-        if ServVer == "0.1.2" then
+        if supports("IP") then
             ip = p:GetIP()
         end
 
@@ -85,7 +85,7 @@ function Processor.process(request, ReqID)
         end
 
         -- Handle incoming get request
-        
+
         local command = request[2]:upper()
 
         if command == "PLAYERCOUNT" then