src/modes: add bitmask list for elemental-ircd
remove inspircd support
src/utils: remove dead code
src/structures: remove more dead code
protocol/charybdis: track uplink server
src/utils: add utility dict class
src/structures: make Server use positional arguments
src/structures: remove dead code
src/channel: add new channel handling classes
src/modes: remove connection flags from duta
protocol/charybdis: update to new channel handling classes
src/cod: fix semantics
protocol/charybdis: Don't send PONG to None
delete old and useless modules
bot/sendfile: fix error cases
protocol/charybdis: change join/part
src/channel: use CaseInsensitiveDict
src/cod: update
protocol/charybdis: more modernizing
add INFO command