Release 6.0.1

This release fixes a bug with 6.0.0 for Caspian Explorer pilots due to a typo and clarifies the license in use with EDMC.

Changes and Enhancements

• Clarifies docstrings to more accurately reflect EDMC's use of GPL-2.0-or-later license.

Bug Fixes

• Fixes a typo in the Ships record that would cause the Caspian Explorer to not be recorded properly.