And for what it's worth.. Here are the files that the data gets logged to:

pi@raspberrypi:~/public_html $ ls -l *.csv
-rw-r--r-- 1 pi pi   234 Jul 31 08:52 ComputerRoomBatt.csv
-rw-r--r-- 1 pi pi  3675 Jul 31 08:52 ComputerRoomTemp.csv
-rw-r--r-- 1 pi pi  1131 Jul 30 18:26 DownstairsBatt.csv
-rw-r--r-- 1 pi pi 16912 Jul 30 18:37 DownstairsTemp.csv
-rw-r--r-- 1 pi pi   533 Jul 30 18:34 FridgeBatt.csv
-rw-r--r-- 1 pi pi  7127 Jul 30 18:34 FridgeTemp.csv
-rw-r--r-- 1 pi pi   364 Jul 31 08:48 UpstairsBatt.csv
-rw-r--r-- 1 pi pi  5225 Jul 31 08:53 UpstairsTemp.csv
Going to try power cycling the Fridge and Downstairs modules which HAD been working until things went topsy-turvy and which modules work and don't work inverted (only host processor update).

All of them are running the same code except for the publish names.