def new(attributes = {})
      resource = repository.scope { model.new(attributes) }
      self << resource
      resource
    end
def new(attributes = {})
      resource = repository.scope { model.new(attributes) }
      self << resource
      resource
    end
Initializes a Resource and appends it to the Collection

 @param [Hash] attributes
   Attributes with which to initialize the new resource

 @return [Resource]
   a new Resource initialized with +attributes+

 @api public