Retain unfiltered image var
Add a fn to draw rgb values to an image
Add a function to take an image and return the connected image
Move connection image functions up
Get rid of function that does area outlining
Correct variable reference in connected-image
Add a delimiting section comment
Add a function for getting the components of an image

This is in the form of a map of labels to lists of points that go with
that label.
Impose a minimum threshold to consider a component as valid
Add a function to do a simple color conversion
Write some functions for coloring in each component
More section headers
Clean up an unused function
Lots more section headers
Remove another unused and semi-broken function