Building the framework itemsfor Counterparts

src/LQDN/Command/CounterpartChangeStateCommand.php

src/LQDN/Command/CounterpartCreateCommand.php

src/LQDN/Command/CounterpartDeleteCommand.php

src/LQDN/Finder/CounterpartFinder.php

src/LQDN/Handler/AddressHandler.php

src/LQDN/Handler/CounterpartHandler.php

tests/functional/Finder/CounterpartFinderTest.php

tests/functional/Handler/CounterpartHandlerTest.php