Fix trying to modify an unmodifiable collection breaking superperms.

EssentialsGroupManager/src/Changelog.txt

@@ -118,3 +118,4 @@ v 1.9:
 	- addSubGroup now returns a boolean for success/failure.
 	- '/manuaddsub' now correctly reports if it was able to add the sub group.
 	- Allow negation to the * permission node when populating superperms.
+	- Fix trying to modify an unmodifiable collection breaking superperms.

EssentialsGroupManager/src/org/anjocaido/groupmanager/permissions/AnjoPermissionsHandler.java

@@ -153,11 +153,11 @@ public class AnjoPermissionsHandler extends PermissionsReaderInterface {
 		// Allow * node to populate ALL perms in Bukkit.
 		if (perms.contains("*")) {
 			permArray.addAll(GroupManager.BukkitPermissions.getAllRegisteredPermissions(includeChildren));
-			perms.remove("*");
 		}
 			
 		for (String perm : perms) {
 
+			if (!perm.equalsIgnoreCase("*")) {
 				boolean negated = false;
 				if (perm.startsWith("-"))
 					negated = true;
@@ -193,6 +193,7 @@ public class AnjoPermissionsHandler extends PermissionsReaderInterface {
 					}
 				}
 			}
+		}
 		
 		return permArray;
 	}