HDF5_serializers: Simplified serializer. Now, also handles NumPy scalar values, as well.
HDF5_logger: Made sure that there is a flush after every log operation. This way, if there is a crash, the most recent debug information can be seen.
advanced_image_processing: Added debug information about individual neurons being fused in fuse_neurons.
advanced_image_processing: Changed "overlayed" to "overlaid".
advanced_image_processing: Removed unused imports.
neuron_matplotlib_viewer: Renamed from neuron_viewer so as to clearly distinguish from the volumina based viewer in progress.
neuron_viewer: Renamed to neuron_matplotlib_viewer.
__init__: Also, changed the name of neuron_viewer to neuron_matplotlib_viewer.
neuron_volumina_viewer: Added the equivalent of the matplotlib based NeuronViewer using Volumina.
advanced_image_processing: Minor changes. Some reformatting. Corrected docstrings.