Fix code school kill line and delete

gistfile1.txt

// ==UserScript==
// @name           monkeybusiness-codeschool
// @namespace  https://github.com/johnelliott/monkeybusiness
// @include   http://*.codeschool.com/*
// ==/UserScript==
//document.querySelector("div.CodeMirror textarea").focus();

// make script tag
var ninjaScript = document.createElement("script");

ninjaScript.text = 'var n = getEventListeners(document.body).keyup;\n' +
'console.log("do we have an n?", n);\n' +
'document.body.removeEventListener("keyup", n[0].listener);\n' +
'// put listener back and see if it\'s \n' +
'\n' +
'function guardedKeyupListener(e) {\n' +
'    if ((e.keyCode === 75 || e.keyCode === 74) && e.ctrlKey) {\n' +
'        console.log("return?");\n' +
'        return;\n' +
'    }\n' +
'    console.log("listener call");\n' +
'    n[0].listener.call(this, e);\n' +
'}\n';

document.body.appendChild(ninjaScript);