Java Edition Alpha v1.0.5

Alpha v1.0.5  is a version that added snowballs and snow blocks.

Additions

 * Snowballs added
 * Can be thrown but deal no damage.
 * Snow Block.png Snow
 * 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