rem: this.nick = nick.toLowerCase(); 
add: this.nick = this.parent.toLowerCase(nick); 
context: function usr_changenick (nick){    this.properNick = nick;    this.nick = nick.toLowerCase();}
meta: 1622	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1622/9c8a6de6ef3e7734cb444c89e8ffb809979f32f9/irc.js/clean/js/lib/irc.js