A method marked as NOT CHUNKSAFE yields before returning, so

the chunk can unload, the server can (safely) shut down, etc, before you ever

see the return value.

attack, attackDown, attackUp

RETURNS: boolean success, string (failure reason)

FAILURES:

"Nothing to attack here"

YIELDS

back, down, forward, up

RETURNS: boolean success, string (failure reason)

FAILURES:

"Movement obstructed"

"Out of fuel"(?)

YIELDS

dig, digDown, digUp

RETURNS: boolean success, string failure_reason

FAILURES:

"Nothing to dig here"

WARNING: if item cannot be picked up due to full inventory, THIS FUNCTION STILL SUCCEEDS.

YIELDS

drop(count), dropDown(count), dropUp(count)

RETURNS: boolean success, string failure_reason

FAILURES:

"No space for items" (difficult to trigger)

YIELDS

turnLeft(), turnRight()

RETURNS: true

compare, compareDown, compareTo, compareUp

detect, detectDown, detectUp

RETURNS: boolean block_exists

CHUNKSAFE?: NO.

equipLeft, equipRight

getFuelLevel, getFuelLimit, refuel

getItemCount, getItemDetail, getItemSpace

getSelectedSlot, select

inspect, inspectDown, inspectUp

RETURNS: boolean success, table result

TABLE:

"name" (eg: "minecraft:dirt")

"metadata"

native

place, placeDown, placeUp

suck, suckDown, suckUp

transferTo