More MobGriefing Options

Ported to 1.21.1

Ported to 1.21

Ported to 1.20.6

Ported to 1.20.4

Ported to 1.20.2

• Fix "An unexpected error occured trying to execute that command" (#3)
• Fix old value been shown on mobgriefing set value command

Ported to 1.20.1

""Ported to 1.20""

Ported to 1.19.4

Ported to 1.18.2

Updated to 1.17.1