Docstring tweaks; solve epydoc RST warning 'Lists must be indented.'
Resolve epydoc RST warning ' Improper paragraph indentation.'
Tweak docstrings; avoid epydoc RST warning 'Unexpected indentation.'
Tweak docstrings, fix RST bullet point lists for arguments
Fix docstring and epydoc RST warning 'Redefinition of type for fullname'
Solve epydoc RST warning by turning private function docstring into comment