adding parallel stuff

urchin

@@ -115,21 +115,26 @@ recurse() {
           # The directory is empty.
           break
         fi
-        urchin_source setup
 
+        (
+          urchin_source setup
           set +e
           recurse "$requested_path" "$test" "$cycle_shell" "$TEST_SHELL"
-       
           exit_code=$?
           set -e
-
-        if $exit_on_not_ok && test $exit_code -ne 0; then
           urchin_source teardown
+          exit $exit_code
+        ) &
+
+        if $single_process; then
+          wait $!
+          exit_code=$?
+          if $exit_on_not_ok && test $exit_code -ne 0; then
             urchin_source teardown_dir
             urchin_exit 1
           fi
-
-        urchin_source teardown
+        else
+        fi
       done
       urchin_source teardown_dir
     )