Commands:
- /openinv : Open your inventory!
- /openinv [player] : Open a player inventory so you can see or/and modify it!
- /openinv [player] [other player] : Open a player inventory to an other player!
- /openender : Open your ender chest without the need of carrying one around!
- /openender [player] : Open a player's ender chest so you can see or/and modify it!
- /openender [player] [other player] : Open a player's ender chest to an other player!
- /closeinv [player] : Close a player's open inventory!
