Allow multiple workers per queue
one-queue-multiple-workers Validate mixing batchable and non batchable workers while registering
workers
one-queue-multiple-workers Better exception message
one-queue-multiple-workers Skip queues without workers
Merge branch 'one-queue-multiple-workers' / Fix #7
Update README
Add `perform_in` and `perform_at`
Bump version to 0.0.4
Fix typo in README.md
Add syntax highlighting to install section
Merge pull request #17 from hashrabbit/docs

Typo in middleware section