Update to depend on Bukkit 1.6.2-R0.1
Add STAINED_CLAY,HAY_BLOCK to keepData (issue #29)
Update scroll tool with changes from MC 1.6 (#29)

New Blocks:
STAINED_CLAY, HAY_BLOCK, CARPET
Update data2Str() with changes from MC 1.6 (#29)

New blocks:
STAINED_CLAY, HAY_BLOCK, CARPET