Rename PackageFinder's _package_versions() to evaluate_links().
Rename PackageFinder's _package_versions() to evaluate_links().

xavfernandez/pip,pypa/pip,sbidoul/pip,pfmoore/pip,rouge8/pip,xavfernandez/pip,rouge8/pip,pradyunsg/pip,pradyunsg/pip,xavfernandez/pip,pypa/pip,sbidoul/pip,pfmoore/pip,rouge8/pip