3.37.3
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* Add WHOIS command [Roberto; !152]

Contributors:
  Roberto Sánchez Fernández

Translators:
  Yuri Chornoivan [uk], Daniel Mustieles [es], sicklylife [ja],
  Matej Urbančič [sl], Florentina Mușat [ro], Baurzhan Muftakhidinov [kk]