Make it start with instigator

Closes #1

lart.py

-# Copyright © 2016 Bruce Cowan <bruce@bcowan.eu>
+# Copyright © 2016, 2018 Bruce Cowan <bruce@bcowan.eu>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -13,7 +13,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from random import choice
+import random
 
 from errbot import BotPlugin, botcmd
 
@@ -38,11 +38,12 @@ class Lart(BotPlugin):
             return "**Usage**: !lart <target>"
 
         try:
-            lart = choice(self.larts)
-            return lart.format(args)
+            lart = random.choice(self.larts)
         except IndexError:
             return "**Error**: There are no larts in the database"
 
+        return "{} {}".format(message.frm.nick, lart.format(args))
+
     @botcmd
     def lart_add(self, message, args):
         """Add a lart, requires a part '{}' which will be replaced with target"""