Add node modules and new code for release (#57)

Co-authored-by: taakleton <taakleton@users.noreply.github.com>

node_modules/underscore/amd/_isArrayLike.js

@@ -0,0 +1,11 @@
+define(['./_createSizePropertyCheck', './_getLength'], function (_createSizePropertyCheck, _getLength) {
+
+	// Internal helper for collection methods to determine whether a collection
+	// should be iterated as an array or as an object.
+	// Related: https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength
+	// Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094
+	var isArrayLike = _createSizePropertyCheck(_getLength);
+
+	return isArrayLike;
+
+});