v1.2.0: Merging to v.1.2.0 (#4)

* i curse you, merge

* refractoring customcommands

* fixing language filter

* new songfilter system

* fixing blacklist

* fixing historyskip

* experimental swap

* addqueue, afk, and a lot more

* remove devlogging

* fixing db update

* add !dc

* fix !dc

* fixing tskip

* add clearghosts

* fix wlban

* dafuq, lockskip

* add joinmode command

* some chatfilter fixing

* v-up