upate the doc
Merge pull request #2179 from yorkerlin/develop

upate the doc
Merge pull request #2180 from lambday/develop

fix CList refcounting bug
ignore any build folder
some documentation/debug message updates
tell swig that get_streamed_features creates a new object
mention CList bugfix in news
added some unit tests for CList that among other things test for the reference counting bug
Merge pull request #2160 from karlnapf/develop

Unit tests for CList and debug/doc updates