# File src/KeyValueCoding.rb, line 22
        def valueForKeyPath(keyPath)
                keys = keyPath.split('.')
                result = self
                keys.each_index do |i|
                        if keys[i] =~ /^[&](.*)/
                                return result.__send__($1) {|val|
                                        val.valueForKeyPath(keys[i+1..-1].join('.'))
                                }
                        end  
                        result = result.valueForKey keys[i]
                end
                result
        end