Completed Implementation of WWW::LogicBoxes::Contact

In WWW::LogicBoxes::Contact
  Refactored to consume WWW::LogicBoxes::Types

In WWW::LogicBoxes::Role::Command::Contact
  Corrected bug with fax number being optional
  Implemented get_contact_by_id
  Implemented _construct_contact_from_result

In WWW::LogicBoxes::Types
  Added ContactType type

In t/04-contact.t
  Added logic to create a customer first so that I have a customer id.
  This test now passes.

Created Test::WWW::LogicBoxes::Customer
  Exports create_customer method