Stop the press!
If you are that quick, I will make the effort within the day and add the pending modifications I had in mind so that we all have the very final version! I will contact you directly to avoid confusing people with downloadable links as people tend to download faster than reading the text 
About the sensor… my first supplier was from Amazon but I cannot find them now… I deal directly now with them wholesale.
Here is the same item
Use the 5V 4-pin version.