added whole system from ola4doc

sys/node_modules/es5-ext/array/#/copy-within/implement.js

@@ -0,0 +1,7 @@
+'use strict';
+
+if (!require('./is-implemented')()) {
+	Object.defineProperty(Array.prototype, 'copyWithin',
+		{ value: require('./shim'), configurable: true, enumerable: false,
+			writable: true });
+}

sys/node_modules/es5-ext/array/#/copy-within/index.js

@@ -0,0 +1,4 @@
+'use strict';
+
+module.exports = require('./is-implemented')() ?
+		Array.prototype.copyWithin : require('./shim');

sys/node_modules/es5-ext/array/#/copy-within/is-implemented.js

@@ -0,0 +1,7 @@
+'use strict';
+
+module.exports = function () {
+	var arr = [1, 2, 3, 4, 5];
+	if (typeof arr.copyWithin !== 'function') return false;
+	return String(arr.copyWithin(1, 3)) === '1,4,5,4,5';
+};

sys/node_modules/es5-ext/array/#/copy-within/shim.js

@@ -0,0 +1,39 @@
+// Taken from: https://github.com/paulmillr/es6-shim/
+
+'use strict';
+
+var toInteger  = require('../../../number/to-integer')
+  , toPosInt   = require('../../../number/to-pos-integer')
+  , validValue = require('../../../object/valid-value')
+
+  , hasOwnProperty = Object.prototype.hasOwnProperty
+  , max = Math.max, min = Math.min;
+
+module.exports = function (target, start/*, end*/) {
+	var o = validValue(this), end = arguments[2], l = toPosInt(o.length)
+	  , to, from, fin, count, direction;
+
+	target = toInteger(target);
+	start = toInteger(start);
+	end = (end === undefined) ? l : toInteger(end);
+
+	to = target < 0 ? max(l + target, 0) : min(target, l);
+	from = start < 0 ? max(l + start, 0) : min(start, l);
+	fin = end < 0 ? max(l + end, 0) : min(end, l);
+	count = min(fin - from, l - to);
+	direction = 1;
+
+	if ((from < to) && (to < (from + count))) {
+		direction = -1;
+		from += count - 1;
+		to += count - 1;
+	}
+	while (count > 0) {
+		if (hasOwnProperty.call(o, from)) o[to] = o[from];
+		else delete o[from];
+		from += direction;
+		to += direction;
+		count -= 1;
+	}
+	return o;
+};