* initial code to interpret valveDataArray
* Some additional comments on the valveDataArray decoding message
* Adds decodeSensorData, decodeValveData, decodeDelayData, decodeMiscData
* reverts unintended change to index.js
* Refactor / rename variables
- renamed variables to better describe their use
- created a helper function 'isValvePresent' to simplify code
- changed while loop to for loop