clone (ActiveResource::Base)

    # File lib/active_resource/base.rb, line 663
        def clone
          # Clone all attributes except the pk and any nested ARes
          cloned = attributes.reject {|k,v| k == self.class.primary_key || v.is_a?(ActiveResource::Base)}.inject({}) do |attrs, (k, v)|
            attrs[k] = v.clone
            attrs
          end
          # Form the new resource - bypass initialize of resource with 'new' as that will call 'load' which
          # attempts to convert hashes into member objects and arrays into collections of objects.  We want
          # the raw objects to be cloned so we bypass load by directly setting the attributes hash.
          resource = self.class.new({})
          resource.prefix_options = self.prefix_options
          resource.send :instance_variable_set, '@attributes', cloned
          resource
        end