Java Edition Beta 1.7 01

Beta 1.7.1 was released to fix some of the bugs and crashes in Beta 1.7.

Fixes
3 bugs fixed


 * Fixed piston bug. Blocks that used to make the game crash in 1.7 now just get removed by the piston.
 * Fixed right clicking on a sheep empty-handed causing game to crash.
 * Worlds crashed are now loadable again.