workaround fix for GE precision errors on ImageOrientationPatient
Merge branch 'enh/dcmstack' into testing

* enh/dcmstack:
  workaround fix for GE precision errors on ImageOrientationPatient
fix siemens sliceorder extract
Merge branch 'enh/dcmstack' into testing

* enh/dcmstack:
  fix siemens sliceorder extract
GE fix check for abs tolerance
Merge branch 'enh/dcmstack' into testing

* enh/dcmstack:
  GE fix check for abs tolerance