v0.38.0

Features

• Added a new Discord nitro domain (#475) (aebf64b) -- thanks @dannywolfmx
• detect airdrop spammers (b5a13fd)
• present version name when the bot runs (6eac465)

Bug Fixes

• antispam: properly escape dots in URLs (b9bc5c0)

Chore

• add case for 0 in prime test (#474) (52f7b5d) -- thanks @owlnai

Refactor

• rewrite /roles, /karma and /report to use collectors (0b92aca, ac764e5, baf3e91)
• new mass-requirer (#476) (776e8fe)
• remove traces of old antiraid system (366a841)