David Millar

Zeroes behave unexpectedly in crossnumber puzzles.

2

I tried loading a crossnumber puzzle in IPUZ format. When revealing the solution, no cells that should've had zeroes were filled. Entering zeroes manually caused the application to state that...

Make Readme file more useful for devs.

4

Add info about starting up the environment, what tools are needed, where the meat of the code lives, etc.

Change the map generator to position tiles with top/left instead of inline positioning.

3

Maps are currently generated as rows of inline images. Ideally they should be made using images with `position: absolute` and with top and left values given.

Ideally add support for pinch to zoom on mobile as well.

Add export for cube mode using either Canvas method with JS or PHP method.

Add options for expanding the size of the rectangular prism created by cube mode, including width, height, and depth, and have the UI controls adjust when cube mode is selected/deselected.

This should be fairly straightforward and involve removing the class that shows the menu. It might be easier/more performant/more accurate after updating hammer.js.