New artisan command account:info

Allows to get account information from username, user_id, e-mail:

./artisan account:info demo
./artisan account:info 2
./artisan account:info "user@domain.tld"

Fixes T483.

Dependencies

We need Keruald GlobalFunctions 0.3.0 for multi-byte str_pad implementation.

It has been introduceted at commit rKGFb31a1e77d0ea, and released in 0.3.0.