Added CITATION file (see https://www.software.ac.uk/blog/2016-10-06-encouraging-citation-software-introducing-citation-files).
Added CITATION file (see https://www.software.ac.uk/blog/2016-10-06-encouraging-citation-software-introducing-citation-files).

martinjrobins/hobo,martinjrobins/hobo,martinjrobins/hobo,martinjrobins/hobo