The general getPeople() function jumps through many hoops to get at least one author while also including any contributors, and including RSS' unique people-types.
Atom logic for entries will be slightly different than for feeds; this still needs to be implemented.
Support RSS, RDF RSS (with various extensions), Atom, iTunes podcasts, and Dublin Core metadata; JSON Feed support is forthcoming
Currently feed-level titles, links, summaries, and categories are implemented