Version 3.2

This release includes fixes for older (G4-based) Receiver devices based on issues #5 and #6 raised by jmimu. There's also a fix for a crash when the user has no calibration adjustments #7, reported by Testostheron1963-de. Two of the tree improvements suggested by Testostheron1963-de in issue #8 have been implemented.

Thanks to jmimu and Testostheron1963-de for their contributions!