Fix compatibility with EditorConfig Python Core 0.11.1.
Fix compatibility with EditorConfig Python Core 0.11.1.

0.11.1 core uses unicode string. Make changes adjust to this.

benjifisher/editorconfig-vim,johnfraney/editorconfig-vim,benjifisher/editorconfig-vim,VictorBjelkholm/editorconfig-vim,johnfraney/editorconfig-vim,pocke/editorconfig-vim,johnfraney/editorconfig-vim,VictorBjelkholm/editorconfig-vim,pocke/editorconfig-vim,pocke/editorconfig-vim,VictorBjelkholm/editorconfig-vim,benjifisher/editorconfig-vim