Bukkit

#Player Related
U(ser):
    A(dd):
        #Add A Player
        P(layer)  Player  DefGroup

        #Add An Info Variable to a Player
        I(nfo)Var(iable)  Player  Var  Value..

        #Add A World to a Player
        W(orld)  Player  World

        #Add A World Variable to a Player
        W(orld)Var(iable)  Player  World  Var  Value.. 
    S(et):
        #Set A Player's Group
        G(roup)  Player  NewGroup
    R(emove):
        #Remove A Player
        P(layer)  Player 

        #Remove A Player's Info Variable
        I(nfo)Var(iable)  Player  Var 

        #Remove A Player's World
        W(orld)  Player  World

        #Remove A Player's World Variable
        W(orld)Var(iable)  Player  World  Var

#Group Related
G(roup):
    A(dd):
        #Add A Group
        G(roup)  Group  DefGroup

        #Add An Info Variable to a Group
        I(nfo)Var(iable)  Group  Var  Value..

        #Add A World to a Group
        W(orld)  Group  World

        #Add A World Variable to a Group
        W(orld)Var(iable)  Group  World  Var  Value.. 
    R(emove):
        #Remove A Group
        G(roup)  Group 

        #Remove A Group's Info Variable
        I(nfo)Var(iable)  Group  Var 

        #Remove A Group's World
        W(orld)  Group  World

        #Remove A Group's World Variable
        W(orld)Var(iable)  Group  World  Var