To be referenced in same way.
Simplify FunctionNode.
Update documentation to be more straightforward.
Remove code no longer needed from WebGL2 FunctionNode.
Change `HTMLImageArray` render strategy to `gl.NEAREST`, like all the others
Let `WebGL2FunctionNode` extend `WebGLFunctionNode` and lighten
Remove all the different html pages associated with tests, and just use one file to handle them and use qunit for filtering them
Bump version number