core: make nick prefix/suffix dynamic (move options from irc plugin to core, add logger options) (bug #37531)
doc: update german auto-generated file with WeeChat commands
irc: add support of "dh-aes" SASL mechanism (patch #8020)
core: update translations
doc: add IRC SASL "dh-aes" mechanism in user's guide
Merge branch 'dynamic-nick-prefix-suffix'
Version 0.4.1-rc1