Add note that custom worker classes are now supported.
Added connection argument to get_current_job()
Merge pull request #302 from sylvinus/patch-1

Added connection argument to get_current_job()
Fix .pipeline -> ._pipeline.

This makes sure it's compatible with both Redis and StrictRedis back
ends.
Merge branch 'KanbanSolutions-use-pipeline-context'
Merge branch 'master' of https://github.com/nvie/rq