[dataimport] test for a value is in a set and insertion in a set should live together
also inline some methods on the way, in the hope to make the public api clearer
at some point, and only put valuable values in those sets so we don't have to
endlessly test for consistency.
Document: cubicweb-doc
Title: CubicWeb documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/cubicweb-documentation/html/index.html
Files: /usr/share/doc/cubicweb-documentation/html/*