Lay groundwork for megafauna, and add Ashdragon.

Includes a refactor for gun turrets (merged into portable turrets), hostile simple_animal behaviour, spells (sounds have been added) and poi_list items.

code/modules/admin/verbs/modifyvariables.dm

@@ -131,7 +131,7 @@ var/list/forbidden_varedit_object_types = list(
 			L[var_value] = mod_list_add_ass() //haha
 		if("No")
 			L += var_value
-
+			
 /client/proc/mod_list(var/list/L)
 	if(!check_rights(R_VAREDIT))	return
 
@@ -440,6 +440,7 @@ var/list/forbidden_varedit_object_types = list(
 
 	if(var_as_text == null)
 		var_as_text = "[O.vars[variable]]"
+	O.on_varedit(variable)
 	log_to_dd("### VarEdit by [src]: [O.type] [variable]=[html_encode("[var_as_text]")]")
 	log_admin("[key_name(src)] modified [original_name]'s [variable] to [var_as_text]")
 	message_admins("[key_name_admin(src)] modified [original_name]'s [variable] to [var_as_text]", 1)