Prefix pub/sub messages with `ql` namespace.
Use an underscore to make "lock lost" an identifier.
Make two more strings identifiers with underscores.
Added a 'running' function to locks
Interface for qsome ease
Add support for a per-queue max_concurrency setting.
Limit concurrency with simpler logic suggested by @dlecocq.
Merge pull request #15 from seomoz/pub_sub_notifications

Pub sub notifications
Merge pull request #18 from seomoz/max_concurrency

Max concurrency
Added QlessJob namespace
Rspec fixes
Intermediate commit
Progress toward feature requests
Fix bug where peeking at work was broken
Support for grace-period
No longer relying on history for job put and pop times
Add a comment to the top of qless.lua
Fail() -- if the job doesn't exist, say so
Fix for failing specs
A more sane approach to working with retries