core: version update to development version

src/core/default_config.py

@@ -21,7 +21,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 CONST = {
     'client_name': u'SàT (Salut à toi)',
-    'client_version': u'0.3.0',  # Please add 'D' at the end for dev versions
+    'client_version': u'0.3.0D',  # Please add 'D' at the end for dev versions
     'local_dir': '~/.sat'
 }