Version 0.6.1

0.6.1:
- Fixed PlugUpgrade on Neovim (#111)
- Changed not to suppress messages from ftplugin when loaded on-demand (#112)
- PlugInstall or PlugUpdate will now install frozen plugins as well (#113)
- Fixed not to yield empty path elements in &rtp (#114)

0.6.0:
- Asynchronous parallel installer for Neovim
- Added PlugSnapshot command
- Fixed PlugClean not to remove unmanaged plugins inside g:plug_home