plume 0.2.5

• $get_author_list(suffix =) is now slightly more flexible and will try less hard to sanitise author list suffixes (#90).

• PlumeQuarto no longer converts roles to lower case (#88).

• PlumeQuarto now supports authors' degrees and the group affiliation property (#53).

• PlumeQuarto now properly handles authors with no roles (#81).

• PlumeQuarto now supports .yml and .yaml files (#82).