Fix pipe determining the last tag

setup/mk.sh

@@ -127,7 +127,7 @@ get_version() {
     local stage=$STAGE
     if git rev-parse HEAD >&/dev/null;
     then    # we are in git repo... so we can get smart
-        local lasttag=$(git tag | grep ^v | tail -n1)
+        local lasttag=$(git tag | grep ^v | sort -V | tail -n1)
         if ! git describe --tags --exact-match HEAD >&/dev/null;
         then    # we are not at later commit than the last tag
             local sha=g$(git describe --always HEAD)