Make research magnitude additions more similar.
Make research magnitude additions more similar.

There were difference in which blocks that were accepted to the research
magnitude calculations which caused the results to differ depending on
if you downloaded the blocks from other nodes or loaded them from disk.

TheCharlatan/Gridcoin-Research,TheCharlatan/Gridcoin-Research,caraka/gridcoinresearch,caraka/gridcoinresearch,tomasbrod/Gridcoin-Research,tomasbrod/Gridcoin-Research,Git-Jiro/Gridcoin-Research,caraka/gridcoinresearch,gridcoin/Gridcoin-Research,TheCharlatan/Gridcoin-Research,Git-Jiro/Gridcoin-Research,TheCharlatan/Gridcoin-Research,tomasbrod/Gridcoin-Research,tomasbrod/Gridcoin-Research,gridcoin/Gridcoin-Research,gridcoin/Gridcoin-Research,caraka/gridcoinresearch,theMarix/Gridcoin-Research,TheCharlatan/Gridcoin-Research,theMarix/Gridcoin-Research,theMarix/Gridcoin-Research,caraka/gridcoinresearch,theMarix/Gridcoin-Research,theMarix/Gridcoin-Research,Git-Jiro/Gridcoin-Research,theMarix/Gridcoin-Research,gridcoin/Gridcoin-Research,tomasbrod/Gridcoin-Research,Git-Jiro/Gridcoin-Research,gridcoin/Gridcoin-Research,gridcoin/Gridcoin-Research,Git-Jiro/Gridcoin-Research,caraka/gridcoinresearch