+ Blocks class
 + #isStairs(Block block) - returns whether the Block block is stairs or not
 + #isSlab(Block block) - returns whether the Block block is slab or not
 + #isFence(Block block) - returns whether the Block block is a fence or not
 + #isPlate(Block block) - returns whether the Block block is a plate or not

* CorePlayer
 + #getYaw() - returns the yaw of the player (from it's location)
 + #getPitch() - returns the pitch of the player (from it's location)
 + #getDirection() - returns the Vector direction of the player (from it's location)
 + #getPlayerFacing() - returns the facing direction as enum FacingType.* (where * could be NORTH, SOUTH, EAST, WEST, north, south, east, west).
 + #getBlockBehindPlayer() - returns the block behind of the player
 + #getBlockBehindPlayerGround() - returns the block behind the player under his feet
 + #getBlockInFrontOfPlayer() - returns the block in front of the player
 + #getBlockInFrontOfPlayerGround() - returns the block in front of the player under his feet
 * renamed #getBlockUnder() to #getBlockUnderPlayer()
 * renamed #getBlockAbove() to #getBlockAbovePlayer()