Reenables tweet logging.
As tweets are now just logged and not crawled any more, insertion time in the database should not be an issue any more.
Adds file check for ini file.
Now exists gracefully if file is not found.

Avoids ugly errors on first launch when deploying to a new machine
Adds another index on member table, aiming at hashtags and counts in order to generate the leaderboard faster.
Adds imit to leader query.
this with addition of an index should dramatically reduce query processing time and increase performance.

Next step is probably to join all queries together and parse in Python afterwards.

TODO:
Start working on rendering again
Try to scale with a hundred hastags.
Adds connection to database lost error found in PythonAnywhere.

Probably comes from them, but it should not crash everything.