set proper default value of SciCatMeasurements
clean scandir in scmacros and add lsenvv
change ScanFileInScanNameDir to ScanNames
add support for ScanFileInScanNameDir env variable
improve error handling in nxsmacros
add scmacros
fix for nxsmacros configuration update
migrate next iterator to py3
fix for fixq from Teresa
change #!/bin/env python to #!/usr/bin/env python
change to semantic versioning