1.2.4

1.2.4 Release Notes:

• Added CommandFramework#getSubCommands method to get a copy of registered subcommands.
• Added Command#onlyOp option to allow only op players to execute target command.
• Fixed (#8) CommandMap#getKnownCommands is not available in legacy versions.

Huge thanks to @gamerover98 for their reports and contributions

Full Changelog: 1.2.3...1.2.4