Added phpunit as development requirement
Mapped basic.ack and basic.nack to different methods
First draft of publisher confirms implementation
Added publisher confirms to client capabilities
Addes some documentation
Even more documentation
Allow bit-values in tables
Bugfix
The capabilities-table was a string but must be a field-table
Renamed some methods and fields to match existing coding-style
Fix typo
Added code to demonstrate how to use publish confirms
Merge pull request #92 from mschirmacher/publisherConfirms

Implemented publisher confirms