v0.1.3

• updated to tableschema-php v0.1.5
• interfaces for working with resources (#12)
  • adding / deleting resources
  • getting resource by name
• improve profiles and registry support #13
  • allow to register custom datapackage and resource classes
  • the core datapackage classes were modified to use this dynamic loading functionality internally
  • added composer update_registry script that downloads the latest spec files and updates the registry accordingly (you then have to review and commit the changes this script makes manually)
  • added Registry class which handles the core profiles and classes and the registering of custom classes