Tab completion

[nickanderson]

I tried on a whim, I was pleasantly surprised sure enough you have at least some tab completion support in interactive mode.

c completed to configure for me :)

It would be nice if it completed for installed sketches and configuration numbers

c<tab> v<tab>
configure VCS::vcs_mirror

i<tab> s<tab><tab>
install
Security::SSH
Security::security_limits
Security::tcpwrappers
System::config_resolver
System::cron
System::etc_hosts
System::set_hostname
System::sysctl

[zzamboni]

This would indeed be nice. I'm assigning to Ted because I believe he has more experience with the Readline library than I do. Ted, please assign back to me if you can't do this at the moment.

[tzz]

OK; will do.

[tzz]

@zzamboni is working on this.