0.0.20

Changes:

• Switch chunk claiming system to a system of prerequisites which will make extending the requirements for claiming a chunk via addons possible when the system is fully completed.
• Fix TNT exploding in chunks despite being disabled.
• Fix players able to damage other players in claimed chunks.
• Add /chunk give to allow players to transfer ownership of a claimed chunk to another player.
• Prevent chunk owners from attacking other players in their own chunks.
• Fix chunk outlines only showing two borders instead of all four.
• Fix players unable to claim chunks.
• Fix players unable to claim chunks.
• Correct some default localizations.