grafx - Extensible Java Graphics Package Code

Removing 'error.blo'.

Removing 'TODO' from comment, but leaving comment.

Reverting back to the plain vanilla way of ordering ⟨xOff,yOff⟩ pairs. The new
way, which started in the center, sort of, and expanded outwards, sort of,
was causing really strange issues. It probably had bugs. It was also overly
complicated. Maybe at some future point I will revisit this interesting
problem.

With the new xOff,yOff order the game stalled for some reason. Saving. There
was no output which would indicate the nature of the problem.

Finished integrating spiral code into BlockPlacementStrategy.

Finalizing the spiral traversal code before integration into
BlockPlacementStrategy.

This Spiral.java code seems to work correctly at least in many of the cases.
Well now it's time to make sure that it's correct in all cases, and it's time
to simplify it.

Adding a comment to BlockPlacementStrategy which dicusses order of the spiral
iteration of xOff/yOff. This is nothing but a comment at this point.

Adding temporary file 'Spiral.java' which does not fall under any package.
This is my temporary scatch pad to figure out how to make the proper xOff/yOff
iteration in BlockPlacementStrategy, which starts from somewhere near the
middle and expands outwards. This is trickier than I originally thought, and
so I'm saving this work under source control, until it's perfect, at which
point it will be moved into BlockPlacementStrategy.

Increasing qSearchBreadth from 20 to 24.