Added Expression#last
Added Expression#last

Panya/stylus,stylus/stylus,cemoulto/stylus,baotingfang/stylus,a-x-/stylus,HossainKhademian/Stylus,jangarcia/stylus,silvaemota/stylus,tyv/stylus,behzad88/stylus,yetone/stylus,rstacruz/stylus,darwin/stylus,ThiagoGarciaAlves/stylus,modulexcite/stylus,meteor/stylus,Delapouite/stylus,johnnycopperstone/stylus,SimenB/stylus,jonpacker/stylus,galenvagen/stylus,isaacs/stylus,Zagorakiss/stylus,Ricardh522/stylus,angryrobot/stylus,peterkinalex/stylus-1,jameswomack/stylus,PeterWangPo/stylus,trixter5/stylus