0.7.1: allow 3.x, 4.x and 5.x versions of the elastica bundle

ref 6d96c8f5706f535f34da8c0ca98b6214a8b194f2

0.7.0

allow 0.7 version

0.6.0

upd

Release 0.3.0

Merge pull request #2 from php-enqueue/upd-to-0-3-enqueue

Sync with change in Enqueue 0.3.x version.

Release 0.2.1

Improvements

- show if batch message is not processed
- add env var to disable async mode
- improve reply message

Release 0.2.0

fix bugs.