Updated services and added Exchange service

Merge pull request #6 from HemeraOne/master

Updated documentation

V0.4.0

Adding binding management

Fixed queue creation
Fixed queue retrieval
Added Response class with HTTP status codes for readability

Added simple Queue service

v0.3.0

Added Queue service for simple operations

v0.2.1

Future proofing namespace

Updating requirements

v0.2.0

Renamed namespace to include unique identifier to avoid conflicts

removed composer.lock file