added more details and notes
added more details and notes

cjohansen/Sinon.JS,cjohansen/Sinon.JS,fatso83/Sinon.JS,fatso83/Sinon.JS,cjohansen/Sinon.JS,mroderick/Sinon.JS,mroderick/Sinon.JS,fatso83/Sinon.JS,mroderick/Sinon.JS