Add domain parameter for the set function

[judithtarot]

This is a nice way to do cookies, but I need to set the domain explicitly sometimes:

diff --git a/lib/monster.js b/lib/monster.js
index daae4c6..c6d61e6 100644
--- a/lib/monster.js
+++ b/lib/monster.js
@@ -1,10 +1,11 @@
var monster = {

• set: function(name, value, days, path) {
• set: function(name, value, days, path, domain) {
  var date = new Date(),
  expires = '',
  type = typeof(value),
  valueToUse = '';
  path = path || "/";
• domain = domain || null;
  if (days) {
  date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
  expires = "; expires=" + date.toGMTString();
  @@ -16,7 +17,8 @@ var monster = {
  else
  valueToUse = escape(value);
• document.cookie = name + "=" + valueToUse + expires + "; path=" + path;
• domain = domain ? "; domain=" + domain : '';
• document.cookie = name + "=" + valueToUse + expires + "; path=" + path + domain;
  },
  get: function(name) {
  var nameEQ = name + "=",

[jgallen23]

please submit a pull request with tests and I'll accept it.