Commands:

Addhearts:
Usage: /addhearts <Heart Num> <Player>
Use: Adds Hearts to a Player
Permission: lifesteal.addhearts

Withdraw:
Usage: /withdraw <Heart Num> <Player>
Use: Allows you to Give some of Your Hearts to Another Player
Permission: lifesteal.withdraw

Smpreset:
Usage: /smpreset
Use: Resets Everyone's Hearts on the Server

Revive:
Usage: /revive <Player>
Use: Revives a Player