OWWidget: Store geometry as bytes
OWWidget: Store geometry as bytes

For better forward compatibility with PyQt5

qPCR4vir/orange3,qPCR4vir/orange3,qPCR4vir/orange3,cheral/orange3,cheral/orange3,qPCR4vir/orange3,qPCR4vir/orange3,cheral/orange3,cheral/orange3,qPCR4vir/orange3,cheral/orange3,cheral/orange3