remove node_modules and .gitignore them

node_modules/es5-ext/function/#/to-string-tokens.js

@@ -1,17 +0,0 @@
-"use strict";
-
-var validFunction = require("../valid-function");
-
-var re1 = /^\s*function[\0-')-\uffff]*\(([\0-(*-\uffff]*)\)\s*\{([\0-\uffff]*)\}\s*$/
-  , re2 = /^\s*\(?([\0-'*-\uffff]*)\)?\s*=>\s*(\{?[\0-\uffff]*\}?)\s*$/;
-
-module.exports = function () {
-	var str = String(validFunction(this)), data = str.match(re1);
-	if (!data) {
-		data = str.match(re2);
-		if (!data) throw new Error("Unrecognized string format");
-		data[1] = data[1].trim();
-		if (data[2][0] === "{") data[2] = data[2].trim().slice(1, -1);
-	}
-	return { args: data[1], body: data[2] };
-};