development mode upgrade

lib/self-upgrade.bash

@@ -26,7 +26,7 @@ function development_upgrade {
   local git_output
   git_output=$(git pull 2>&1)
   if echo "$git_output" | grep -q 'up to date'; then
-    : # does nothing
+    echo already up-to-date
   else
     sudo_root
     sudo miaou lib/initiate.bash