wq 1.1.0

wq 1.1.0 brings an improved outbox and build system in wq.app, and support for Django 2 in wq.db.

See the submodule release notes for details:

• wq.app 1.1.0
• wq.core 1.1.0
• wq.db 1.1.0
• wq.io 1.1.0
• wq.start 1.1.0