Added alises to the bot.

@@ -304,7 +304,7 @@ You can ask compound or questions and I will choose. Example: HellsBot Rui is a
             for game in games_sorted:
                 #print('%s' % game)
                 out_string += '    {} - {}\n'.format(game[1], game[0])
-            
+
             client.send_message(message.channel, 'The games I have seen people playing are: \n{}'.format(out_string))
         return
 
@@ -319,8 +319,11 @@ You can ask compound or questions and I will choose. Example: HellsBot Rui is a
             client.send_message(message.channel, 'I am a bit confused right now.. maybe I need more data. {}!'.format(message.author.mention()))            
         else:
             username = message.content[9:].replace('@', '').lower()
+            if username.strip() == '':
+                client.send_message(message.channel, '{} please provide a username. !aliases <username>'.format(message.author.mention()))
+                return
             if username in data and 'aliases' in data[username]:
-                client.send_message(message.channel, '{} has the following aliases:'.format(username, ', '.join(data[username]['aliases'])))
+                client.send_message(message.channel, '{} has the following aliases: {}'.format(username, ', '.join(data[username]['aliases'])))
             else:
                 client.send_message(message.channel, 'No known alises for {} yet {}'.format(username, message.author.mention()))
         return
@@ -341,6 +344,9 @@ You can ask compound or questions and I will choose. Example: HellsBot Rui is a
                 if 'aliases' not in data[username]:
                     data[username]['aliases'] = []
                 data[username]['aliases'].append(alias)
+                jdata = json.dumps(data, ensure_ascii=False)
+
+                open(member_status, 'wb+').write(jdata.encode('utf8'))
                 client.send_message(message.channel, '{} has been added to your aliases'.format(alias))
             else:
                 client.send_message(message.channel, 'Something horrible happened and it is all your fault.')