We don't handle non existent users for browse moves and other pages.

[colonelpanic8]

[E 130707 02:30:59 web:1085] Uncaught exception GET /get_stats?color=white&moves=%5B%5D&username=AlexMalison (127.0.0.1)
HTTPRequest(protocol='http', host='127.0.0.1:3030', method='GET', uri='/get_stats?color=white&moves=%5B%5D&username=AlexMalison', version='HTTP/1.1', remote_ip='127.0.0.1', body='', headers={'Accept-Language': 'en-US,en;q=0.8', 'Accept-Encoding': 'gzip,deflate,sdch', 'Host': '127.0.0.1:3030', 'Accept': 'application/json, text/plain, /', 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36', 'Connection': 'keep-alive', 'X-Requested-With': 'XMLHttpRequest', 'Pragma': 'no-cache', 'Cache-Control': 'no-cache', 'Referer': 'http://127.0.0.1:3030/browse_moves/AlexMalison'})
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/tornado/web.py", line 1037, in _execute
self.prepare()
File "/Library/Python/2.7/site-packages/tornado/web.py", line 1696, in prepare
self.fallback(self.request)
File "/Library/Python/2.7/site-packages/tornado/wsgi.py", line 239, in call
WSGIContainer.environ(request), start_response)
File "/Library/Python/2.7/site-packages/flask/app.py", line 1701, in call
return self.wsgi_app(environ, start_response)
File "/Library/Python/2.7/site-packages/flask/app.py", line 1689, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "/Library/Python/2.7/site-packages/flask/app.py", line 1687, in wsgi_app
response = self.full_dispatch_request()
File "/Library/Python/2.7/site-packages/flask/app.py", line 1360, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/Library/Python/2.7/site-packages/flask/app.py", line 1358, in full_dispatch_request
rv = self.dispatch_request()
File "/Library/Python/2.7/site-packages/flask/app.py", line 1344, in dispatch_request
return self.view_functionsrule.endpoint
File "/Users/imalison/Dropbox/Projects/ChessStats/chess_stats/routes.py", line 34, in get_game_stats
white=white
File "/Users/imalison/Dropbox/Projects/ChessStats/chess_stats/logic.py", line 167, in build_sorted_game_stats_for_moves_by_username
user = models.ChessDotComUser.find_user_by_username(username)
File "/Users/imalison/Dropbox/Projects/ChessStats/chess_stats/models.py", line 82, in find_user_by_username
return cls.query.filter(cls.username == username).one()
File "/Library/Python/2.7/site-packages/sqlalchemy/orm/query.py", line 2215, in one
raise orm_exc.NoResultFound("No row was found for one()")
NoResultFound: No row was found for one()