Improve some docstrings and comments
Improve some docstrings and comments

bgyori/indra,bgyori/indra,sorgerlab/indra,sorgerlab/indra,sorgerlab/belpy,johnbachman/indra,johnbachman/indra,sorgerlab/indra,bgyori/indra,sorgerlab/belpy,sorgerlab/belpy,johnbachman/indra