0.7.0

• Added working include and exclude functionality to the
  views._to_dict function.
• Added exclude_columns keyword argument to APIManager.create_api.
• #79: attempted to access attribute of None in constructor of
  APIManager.
• #83: allow POST requests with one-to-one related instances.
• #86: allow specifying include and exclude for related models.
• #91: correctly handle POST requests to nullable
  sqlalchemy.DateTime columns.
• #93: Added a total_pages mapping to the JSON response.
• #98: GET requests to the function evaluation endpoint should
  not have a data payload.
• #101: exclude in views._to_dict function now correctly excludes
  requested fields from the returned dictionary.