Add OptionsBase class to handle options in a less cumbersome fashion.
Now all services extending ServiceBase have a property $options which is
an \Zend\Stdlib\AbstractOptions class. This will remove the need to
parse configuration arrays into object properties.
Update tests
Fix dependencies
Fix missing coverage
Merge pull request #1 from desyncr/option-classes

Option classes
Add JobServiceBase
Bump minor version
Update WorkerInteface
Update WorkerInterface
Bump bugfix version