small code changes

fix:
- /alias version

- small code changes

src/main/java/net/t2code/alias/Spigot/system/AliasRegister.java

@@ -98,7 +98,7 @@ public class AliasRegister {
                         craftServer.getCommandMap().register(alias, new RegisterCommands(alias));
                     }
                 }
-            } else send.warning(plugin, " §4AliasHashmap is null!");
+            } else send.warning(plugin, " §4AliasHashmap is null! - " + alias);
         }
     }
 }