v0.4.4

Small improvements:

• Fixed bug in enb.plotdata when the y limits were explicitly set to None.
• Added the --disable_progress_bar flag to supress the display of the animated progress bar
  (useful to minimize the stdout output volume, e.g., for logging purposes). This helps executing enb in
  headless and virtualized platforms.
• Added compression/decompression resident memory size for WrapperCodec subclasses.