add checks for xmlstring ans json selection
switch to setuptools
add EOL to merged text
impove text merging
second fix for text merging
fix text merging
remove memory leaks
add CanFailDataSources attribute
add flush for stderr stream
split package
add fix for dependentComponents
add support for python3
update error printouts
improve merge error message
skip empty NXtransformations and NXcollections groups
test fix
move the content of Streams module into the StreamSet.StreamSet class
add linkdatasources
add version reading at any time
add docu