Require integer extensions, which in turn requires numeric extensions. Fixes missing #months and #years methods. Fixes #474
Require integer extensions, which in turn requires numeric extensions. Fixes missing #months and #years methods. Fixes #474

erikdahlstrand/whenever,bernabas/whenever,Nguyenanh/whenever,makandra/whenever,lzheng571/whenever,ctokoro/whenever,stpn/whenever,shtzr840329/whenever,Dearest/whenever,thehungrycoder/whenever,rafaelsales/whenever,medictrust/whenever,mindvalley/whenever,javan/whenever,betesh/whenever,HonoreDB/whenever,sideci-sample/sideci-sample-whenever,bangwu/whenever,attilahorvath/whenever