Cooperate with other modules

Other modules may set a max runtime limit before us. If so, we only lower the limit, we never raise it.

Documentation installed

0.6

actually install the manpage tho

Documentation added

0.5

Initial manpage for documentation

Bugfix release

Correct the behavior when trying to launch a session for a user who has already hit their limit

Time limit applies to all sessions in a day, not each session

0.3

Don't write state file entries for users who don't have limits

0.2

Test suite added

Initial release

0.1

Make the config file directory configurable