HDF5_serializers: Added check in create_numpy_structured_array_in_HDF5 to ensure the given data is either of type numpy.ndarray or convertible to it.
neuron_volumina_viewer: Created a mechanism that provides an operator for max projection onto a source. Added MaxProjectionConstantSource and MaxProjectionConstantRequest for dealing with determing the max projection of a constant source (will not change or become dirty) along one dimension.