Yes, I am stupid today!! Adding the diodes is easy .
In case you wondered what this is all about.. here's the quick view.. I have 112 cells in a nom. 400 volt battery pack for my electric car that I am building. Need to know as a minimum if the pack is discharging as when being driven if any cells are lower than the low limit . Also when charging except that I just have shunting across any cell that has reached full charge allowing the rest to get fully charged too. This is called a BMS, battery management system, and is the biggest PITN . There are chips that are meant to do this but the ones from MAXIM have shown a failure mode that makes their use questionable, ( EMAIL ME DIRECTLY IF INTERESTED IN THIS ) so I am designing a simple system with relays for isolation. Each cell will have it's own relay and the contacts are what is forming the 7 x 16 array. I can have number of these open or closed depending on the individual cell condition. so diodes it is.