command-loop: handle errors when calling commands.
command-loop: handle errors when calling commands.

tgunr/factor,factor/factor,mrjbq7/factor,mrjbq7/factor,tgunr/factor,mrjbq7/factor,tgunr/factor,factor/factor,tgunr/factor,mrjbq7/factor,factor/factor,mrjbq7/factor,tgunr/factor,mrjbq7/factor,factor/factor,factor/factor,factor/factor,tgunr/factor