Rtag

Make sure to read Rtag 1.6.0 announce

Additions

• Support for Minecraft 1.21.11.
• Utility class to detect and compare the exact version that server is running.

Changes

• The version handling got a complete recode in order to get a better comparision across versions (and also prepare the code for the new Minecraft version format).
• (experimental) Now ItemMaterialTag class use a companion class to provide data about item material entry.

Deprecations

• Every part of the code that use numbers to compare server version is now marked as deprecated and scheduled for removal (for now, no version is specified).