Java Edition Alpha v1.0.5

Alpha 1.0.5 added snowballs which can be thrown and snow blocks.

Additions

 * Snowballs added
 * Snow blocks added
 * Signs no longer require free block above them when placing them
 * Game no longer saves on crashes
 * Snow no longer goes through glass

Fixes
2 bugs fixed


 * Fixed building on snow bug
 * Fixed ice rendering bug