# Take a hash, and set attributes for keys to values. Like ActiveRecord does.
    def initialize( h )
      h.each do | key, val |
        if self.respond_to( "#{key}=").intern )
          self.send( "#{key}=".intern, val )
        else 
          self.instance_variable_set( "@#{key}".intern, val )
        end
      end
    end