.back method added to ArrayList.
.back method added to ArrayList.

ds84182/rock,cogneco/rock,thomasfanell/rock,shamanas/rock,kirbyfan64/rock,fredrikbryntesson/rock,zhaihj/rock,zhaihj/rock,davidhesselbom/rock,magic-lang/rock,cogneco/rock,fasterthanlime/rock,jonathanudd/rock,kirbyfan64/rock,marcusnaslund/rock,thomasfanell/rock,ooc-lang/rock,marcusnaslund/rock,magic-lang/rock,jonathanudd/rock,ooc-lang/rock,fredrikbryntesson/rock,davidhesselbom/rock,ds84182/rock,shamanas/rock,fasterthanlime/rock