Changelog

• Added the posibility to have a argument named name in a Field. Field(name=String())
• Improved tests
• Fixed compatibility with Django 1.6, Django 1.7
• Added a management Command to Django graphql_schema for dumping the Schema
• Fixed snake_case - camelCase conversion to be bijective
• Added automatic django-filters support via DjangoFilterConnectionField and filter_fields attr in Django Meta.