Bukkit

This update contains a few bug fixes before work begins on 4.1.

API Improvements:

• Added block data to the cloning mechanism
• Reworked the component array modifier to work with 1.9.4 and up
• Automatically wrap and unwrap values in Optionals

General Improvements:

• Updated to 1.10 and 1.10.2

Bugs, etc:

• Fixed another entity tracking issue with Paper
• Improved error messages for entity tracking
• Improved error message when the login packet class doesn't exist