Add the properties uri_format and constructor.
Add the properties uri_format and constructor.

The get/set method for constructor are not working yet.

Distrotech/libchamplain,potyl/champlain,PabloCastellano/libchamplain,Distrotech/libchamplain,GNOME/perl-Champlain,StanciuMarius/Libchamplain-map-wrapping,potyl/champlain,PabloCastellano/libchamplain,GNOME/perl-Gtk2-Champlain,StanciuMarius/Libchamplain-map-wrapping,GNOME/libchamplain,GNOME/libchamplain,PabloCastellano/libchamplain,StanciuMarius/Libchamplain-map-wrapping,potyl/champlain,StanciuMarius/Libchamplain-map-wrapping,Distrotech/libchamplain,Distrotech/libchamplain,StanciuMarius/Libchamplain-map-wrapping,PabloCastellano/libchamplain,Distrotech/libchamplain,GNOME/perl-Champlain,PabloCastellano/libchamplain,potyl/champlain,GNOME/perl-Gtk2-Champlain