Stdlib: asyncdispatch: Add support of varargs to `all`.
Stdlib: asyncdispatch: Add support of varargs to `all`.

jfhg/Nim,singularperturbation/Nim,singularperturbation/Nim,singularperturbation/Nim,singularperturbation/Nim,russpowers/Nim,russpowers/Nim,dom96/Nim,russpowers/Nim,dom96/Nim,haiodo/Nim,tulayang/Nim,mbaulch/Nim,jfhg/Nim,singularperturbation/Nim,jfhg/Nim,tulayang/Nim,mbaulch/Nim,russpowers/Nim,jfhg/Nim,tulayang/Nim,singularperturbation/Nim,zachaysan/Nim,haiodo/Nim,haiodo/Nim,russpowers/Nim,zachaysan/Nim,dom96/Nim,dom96/Nim,haiodo/Nim,dom96/Nim,mbaulch/Nim,tulayang/Nim,zachaysan/Nim,haiodo/Nim,jfhg/Nim,dom96/Nim,mbaulch/Nim,zachaysan/Nim,tulayang/Nim,zachaysan/Nim,haiodo/Nim,jfhg/Nim,tulayang/Nim,mbaulch/Nim,zachaysan/Nim,mbaulch/Nim,haiodo/Nim,dom96/Nim,russpowers/Nim,singularperturbation/Nim,russpowers/Nim,mbaulch/Nim,zachaysan/Nim,jfhg/Nim