Lots of new features and changes
Improve SilentOpenChest feature
Add /sv help for an overview of the commands and permissions
Add useful tab-completion to command
Add MVdWPlaceholderAPI and PlaceholderAPI hooks and placeholder support
Add support for custom SV placeholders in other plugins
Add support for (MVdW)PlaceholderAPI placeholders in SVs config files
Expand SuperVanish's API for developers
Add update checker and notifier (can be disabled)
Use new Spigot 1.12.2's hiding API which is more powerful and should lead to more accurate invisibility
Improve MarkVanishedPlayersAsSpectators feature
Restructure config files and improve placeholder format
Huge code clean-up which should help other developers with contributing