bug fix, store the fact we posted to reddit

suchwow/app.py

@@ -100,8 +100,12 @@ def post_reddit(last_hours):
     ).order_by(Post.timestamp.asc())
     for p in posts:
         if p.hours_elapsed() < int(last_hours):
-            make_post(p)
-            return
+            if not p.to_reddit:
+                _p = make_post(p)
+                if _p:
+                    _p.to_reddit = True
+                    _p.save()
+                return
 
 @app.cli.command("create_accounts")
 def create_accounts():