Save github rate limiting on each call
Token objects hold PKs of repos with admin/push rights
By default, use the token with the max remaining
Update jobs to use the new Token model
Code 304 is not an error
Retry token without scope an hour later
Retry a job 15mn later if no token available at all
Oops, didn't uncomment the save of [down|up]grade of subscriptions
Use the remaining time from current token for "self" permission
Merge pull request #51 from twidi/tokens

Manage tokens availability