gpibcs gets serious

0.2.4 marks a stable version and will be deployed to FSE's.
GPIBCS will be moved to the my company's internal git repository for further work but this repo will stay here as-is.

v0.2.2 is here

• the sequence selector is more intelligent by trimming the file path and extension and by remembering last visited paths
• fixed random GUI crashes

v0.2.1 is here

Changelog:

• implemented fixes/enhancements for issues #1, #2, #3, #4, #5, #6, #8 and #9
• the GUI now displays the software version