Update 2.0.0 is now out. A lot of useful customization features have been added.

Additions

• The plugin now has a configuration file (config.yml). You can now customize how many lives every player will start with, or alternatively make every player start with a random amount of lives within a range you specify.
• New commands: /setlives, /addlife, /revive
• New command for non-OPs: /givelife
• All commands will be explained in the main page.