v1.0, March 24, 2013 -- Initial release.

v1.1, July 23, 2013
 - Python 3.x support.
 - Access producer and remote data for consumed tags.
 - I/O module interface.
 - Safety network number access.

v1.2, August 24, 2016
 - Added array resizing.

v1.3, August 12, 2018
 - Unicode output corrections.
 - Raise an exception when encountering L5X exports created
   with Encode Source Protected Content set.
 - Clear all non-decorated data elements when setting new
   tag values.
 - Initialize tag arrays after resizing.

v1.4, October 14, 2018
 - Add support for multilingual tag comments.

v1.5,
 - Add access to NAT addresses.
 - Add support for port-specific SNNs.
 - Add support for changing tag aliases.
 - Fix problems with empty CDATA sections, e.g. empty structured text lines.
 - Switch internal XML handling to ElementTree.
