Allow most characters in command names.
Allow most characters in command names.

--HG--
extra : rebase_source : 9b331cedf56ad9fac5f59e6ddaeef8094c8a972a

invl/dactyl,invl/dactyl,madand/pentadactyl-pm,nathyong/dactyl,5digits/dactyl,madand/pentadactyl-pm,airodactyl/dactyl,nathyong/dactyl,invl/dactyl,moonshadow/dactyl,5digits/dactyl,moonshadow/dactyl,invl/dactyl,5digits/dactyl,nathyong/dactyl,airodactyl/dactyl,madand/pentadactyl-pm,moonshadow/dactyl,5digits/dactyl,nathyong/dactyl,Kjwon15/dactyl,madand/pentadactyl-pm,airodactyl/dactyl,invl/dactyl,invl/dactyl,madand/pentadactyl-pm,Kjwon15/dactyl,airodactyl/dactyl,moonshadow/dactyl,5digits/dactyl,Kjwon15/dactyl,moonshadow/dactyl,moonshadow/dactyl,airodactyl/dactyl,Kjwon15/dactyl,airodactyl/dactyl,Kjwon15/dactyl,madand/pentadactyl-pm,nathyong/dactyl,nathyong/dactyl,Kjwon15/dactyl,5digits/dactyl