add exires to cookie remember_device, otherwise, cookie is expired when the browser session ends
add exires to cookie remember_device, otherwise, cookie is expired when the browser session ends

ContinuityControl/authy-devise,barendt/authy-devise,ContinuityControl/authy-devise,ContinuityControl/authy-devise,authy/authy-devise,authy/authy-devise,authy/authy-devise,barendt/authy-devise,barendt/authy-devise