added test for Catmandu::Importer::Modules
Catmandu::Fix::uniq
Catmandu::Fix::uniq fix array with undef values
sort_field, with option undef_position
sort_field has option undef_position now
buildfile
Merge branch 'module_info' into dev
Merge branch 'dev' of github.com:LibreCat/Catmandu into dev