Better 7 sanitize

src/de/steamwar/bungeecore/listeners/ChatListener.java

@@ -64,6 +64,10 @@ public class ChatListener extends BasicListener {
             e.setMessage("/" + e.getMessage().substring(1));
         }else if(begin.startsWith("77") && begin.substring(2).matches("[A-Za-z]+")){
             e.setMessage("//" + e.getMessage().substring(2));
+        }else if(begin.startsWith("7/") && begin.substring(2).matches("[A-Za-z]+")){
+            e.setMessage("//" + e.getMessage().substring(2));
+        }else if(begin.startsWith("/7") && begin.substring(2).matches("[A-Za-z]+")){
+            e.setMessage("//" + e.getMessage().substring(2));
         }
     }