resolves https://github.com/svenfuchs/globalize3/issues/110 by calling to_s when sorting
resolves https://github.com/svenfuchs/globalize3/issues/110 by calling to_s when sorting

gaganawhad/globalize-cache-key,tuv/globalize3,aalfson/globalize,ASnow/globalize,Buyapowa/globalize,awernick/globalize,LyriD/globalize3,goarch/globalize,2947721120/globalize,trongrg/single_table_globalize3,distribusion/globalize,mysociety/globalize,eet-nu/globalize3,rdutra/globalize3,reevoo/globalize3,DaveahamLincoln/globalizer_refinery_patch,andreazaupa/globalize3