Kwplayer

* Show kwplayer control panel on gdm lock screen.
* Some debug info removed.
* Fixed: force switching to playlist while loading next song; bug reported by wangjiezhe.
* Fixed: gstreamer1.0-libav added to dependencies again.
* i18n updated.
* If kwplayer is already launched, it will be presented when `kwplayer` is executed again.
* Fixed: using async MainLoop in PlayerDBus.
* Songs can be sorted and moved in a playlist.

* Songs in Cached playlist can be deleted
* Can automatically create a new playlist and add songs into it.
* python3-keybinder is optional now
* Select None by default in Search tab
* Fixed: sqlite3 does not support LIMIT command in Arch Linux
* i18n updated
* dir_entry in Preferences dialog cannot be foucused

* Can control player with keyboard (global keyboard shortcut)
* Fixed: set_volume() with incorrect value.

* Fixed: memory leak caused by CssProvider.
* Automatically load next song when error occurs.
* Debug infor removed from kuwo/Artists.py.
* Enable `raise` in MPRIS Interface.
* Transition animation only applies to lrc_window now.

* Add micro version.
* unescape html entity; reported by gdgglhy.
* show song name in window title
* python3-cairo removed from package dependencies
* lrc redesigned.
* use reset.css to initialize GtkWidget styles.
* gnome-icon-theme-symbolic-git added to Arch Linux package dependencies

* <Ctrl>Q to quit program.
* Add dbus support, Support MPRIS Dbus Interface v2.2.
* Move playbin to a new Class.
* Support plyvel-0.6.
* Installation method was rewritten.
* zh_CN.po supported.
* Add setup.py, now can use `pip` command to install kwpalyer
* mutagenx removed from source tree
* pkgbuild for Arch Linux added.
* Fixed: goes wrong when ~/.config does not exist.