The Debian package become a Ubuntu one (minor change).

I don't know how to manage many versions.

debian/changelog

@@ -1,4 +1,4 @@
-libmodbus (2.0.0-1) stable; urgency=low
+libmodbus (2.0.0-1) hardy; urgency=low
 
   * Initial release.
 

debian/control

@@ -1,4 +1,5 @@
 Source: libmodbus
+Distribution: hardy
 Priority: extra
 Maintainer: Stéphane Raimbault <stephane.raimbault@gmail.com>
 Standards-Version: 3.7.3