Parentify primes

parentify.js

var parentify = function(prime){

	var parent = prime.parent
	if (!parent) throw new Error('Cannot parentify this prime')

	var method = prime.prototype.parent = function(name){
		var fn = parent[name]
		if (typeof fn != 'function') throw new Error('This method called with parent() does not exist')
		delete this.parent
		var ret = fn.apply(this, array.slice(arguments, 1))
		this.parent = method
		return ret
	}

	if (parent.constructor.parent) parentify(parent.constructor)

}