bug fix: findBatchSize() should consider that bumping it might decrease a key value (although it presently never happens)
bug fix: findBatchSize() should consider that bumping it might decrease a key value (although it presently never happens)

amunmt/marian,marian-nmt/marian-train,emjotde/amunmt,emjotde/amunmt,emjotde/Marian,emjotde/amunn,marian-nmt/marian-train,emjotde/amunmt,marian-nmt/marian-train,marian-nmt/marian-train,amunmt/marian,amunmt/marian,emjotde/amunn,emjotde/amunmt,emjotde/Marian,marian-nmt/marian-train,emjotde/amunn,emjotde/amunn