Java Edition Alpha v1.0.17 03

Alpha 1.0.17_03 was released to fix an item duplication bug and to improve performance.

Fixes
2 bugs fixed


 * Fixed an item duplication bug
 * Improved framerate

Alpha 1.0.17_03 pt-br:Alpha 1.0.17 03 Alpha 1.0.17_03 Alpha 1.0.17_03