Improve session default sorting. Sort by year, then by session number.
Improve session default sorting. Sort by year, then by session number.

kosicki123/WWDC,xqz001/WWDC,MaddTheSane/WWDC,vamsirajendra/WWDC,insidegui/WWDC,kosicki123/WWDC,xqz001/WWDC,happyeverydayzhh/WWDC,qzs21/WWDC,SoneeJohn/WWDC,natecook1000/WWDC,davieds/WWDC,qzs21/WWDC,insidegui/WWDC,insidegui/WWDC,insidegui/WWDC,vamsirajendra/WWDC,SampleLiao/WWDC,davieds/WWDC,SampleLiao/WWDC,liric28/WWDC,kosicki123/WWDC,liric28/WWDC,SoneeJohn/WWDC,happyeverydayzhh/WWDC