add a cli command for catching up
add a cli command for catching up

NebulousLabs/Sia,ericflo/Sia,NebulousLabs/Sia,kustomzone/Sia,rivine/rivine,mtlynch/Sia,MrStrong/Sia,ChrisSchinnerl/Sia,mharkus/Sia,ChrisSchinnerl/Sia,cyrozap/Sia,mharkus/Sia,MrStrong/Sia,ericflo/Sia,mnsl/Sia,Mingling94/Sia,mnsl/Sia,mtlynch/Sia,johnathanhowell/Sia,rivine/rivine