In era-avl.js, fixed a bug in timesCarry() and added some missing optimizations.
In era-avl.js, fixed a bug in timesCarry() and added some missing optimizations.

era-platform/cene,rocketnia/era,rocketnia/era-cene,era-platform/cene,rocketnia/era,era-platform/cene,rocketnia/era-cene,rocketnia/era-cene,rocketnia/era