Fix function params.
Working on 3d->distance.
Parity.
Diary entry.

parity.
Diary entry.
Function signatures.
Compiles.
Add point object.
Expand point object.
'roatateLeft()'.
'rotateRight()'.
Switching to point object.
Point.n.
Diary entry.
Cleanup.
Merge branch `3d` into `master`.