Fixed !clear command to clear server-side chatBuffer as well as client buffers.

src/app/channel/chatHandler.js

@@ -334,7 +334,11 @@ class chatHandler{
 
             //If no user was entered OR the user was found
             if(user == null || target != null){
+                //Send command out to browsers to drop chats from buffer
                 this.server.io.in(chan).emit("clearChat", {user});
+
+                //Clear serverside buffer, down to the DB
+                activeChan.chatBuffer.clearBuffer(user);
             }
         }
     }