Twitter: Markov used our "need to create our own db object" logic and then improved it.

most importantly, don't clobber the first thread's db instances

modules/Twitter.py

@@ -299,9 +299,8 @@ class Twitter(Module):
             # need to create our own db object, since this is likely going
             # to be called in a new thread
             dbfile = self.config.get('dr.botzo', 'database')
-            self.conn = sqlite3.connect(dbfile)
-            self.conn.row_factory = sqlite3.Row
-            db = self.conn
+            db = sqlite3.connect(dbfile)
+            db.row_factory = sqlite3.Row
             query = 'SELECT since_id FROM twitter_settings'
             cursor = db.execute(query)
             result = cursor.fetchone()