Completely recoded the project. Source code located at: https://github.com/CodedRed-Spigot/SafeDrop

Changelog:

• The player's drop status doesn't reset when the server restarts.
• Improved threading for faster performance.
• Codebase is recoded to allow for faster updates in the future.
• Updated to the latest version of Spigot Minecraft.

This is considered a pre-release, please report bugs at https://github.com/CodedRed-Spigot/SafeDrop/issues