tweaked sapling wait time (lower). For collecting, do a smaller spiral most of the time.
combineAll utility
big change to how saplings are handled. The leaves are manually destroyed which may make the algorithm simpler. Better? I get fewer saplings. Not sure if enough
a non-elegant faceDirection function that minimizes turns.
changed forest to use the new fast faceDirection()
this is needed for the new faceDirection.  I renamed this internal utility function.
:new shape module. Currently the launcher 'shape' actually just creates a rectangle for a specific purpose.  Also disabled forest logging and moved some code around