Better error messages
Ditto
Ditto
Allow basic.qos configuration

Fixes #71.
Update change log, references #71
Fix warning about no consumers

There was no space between "there's" and "no". Might as well make it one line
since it's still less than 80 characters long.
Merge pull request #76 from drewish/fix-warning-message

Fix warning about no consumers
Allow namespace to include any valid rabbitmq queue name
Merge pull request #78 from gjohnson/master

Allow namespace to include any valid rabbitmq queue name
Update CHANGELOG.md
Don't log passwords

Fixes https://github.com/gocardless/hutch/issues/79
Add channel_prefetch to config
Add a test for the channel_prefetch
Merge pull request #81 from drewish/do-not-log-passwords

Don't log passwords
Merge pull request #80 from drewish/add-channel_prefetch-to-config

Add channel_prefetch to config
Make basic.qos default value the same as in the protocol

References #80.
Depend on Bunny 1.1.1+
Explicitly require set
Merge pull request #82 from gjohnson/master

Add an explicit require for set
Update CHANGELOG.md