Merge branch 'upstream_master' into test

# Conflicts:
#	README.md
#	pace.coffee
#	pace.js
#	pace.min.js

Author: CodeByZach

pace.js

@@ -367,9 +367,11 @@
 				if ((to[key] == null) && typeof from[key] !== 'function') {
 					if (typeof Object.defineProperty === 'function') {
 						_results.push(Object.defineProperty(to, key, {
-							get: function() {
+							get: (function(key) {
+								return function() {
 								return from.prototype[key];
-							},
+							};
+						})(key),
 							configurable: true,
 							enumerable: true
 						}));