pep8
Try again if user creation fails
wrong type of errror
index view doesnt print session id (why would it do that?)
remove annoying print statement
Merge branch 'master' of github.com:MrHamdulay/MathQuiz
Throw appropriate exception if we can't create a user instead of letting it happen down the line
Merge branch 'master' of github.com:MrHamdulay/MathQuiz
index on highscore difficulty
Merge branch 'master' into battle_mode

Conflicts:
	mathquiz/database.py
PEP 8 Index view
syntax error
Script to give us DB migrations
PEP 8 create_db.py
migrate script reads scripts from correct dir
dont ever rerun migrations
create battle table migration