Quickly switch between gamemodes with some nifty abbreviations!

Commands:

/gmc [player | *]:

• Allows you to set your own, a player's, or all the online player's gamemodes to creative.
• Permission: simplegamemode.gmc

/gms [player | *]:

• Allows you to set your own, a player's, or all the online player's gamemodes to survival.
• Permission: simplegamemode.gms