!myrole: remind lovers of their love
!myrole: remind shamans of their totem

This is especially useful if the shaman did not see the original message
informing them of their role (e.g. due to connection issues).
Fix crash with idle warnings and nick changes

Sorry for breaking it. :s
is_fake_nick: only all-numeric nicks are fake

The previous check had quite a few issues, e.g. on UID nicks.