Merged in feature/testquery (pull request #39)

Test Query

* depstextandclean

* startedcleaningresult

* resulttidyup

* roundone

* cleaning

* unsyncedquery

* startedtestsandsimplification

* api

* querytests

* resultprocessortests

* unittests

* cleanup

internal/document/clean/service_test.go

@@ -11,3 +11,10 @@ func TestService(t *testing.T) {
 	svc := documentclean.New()
 	assert.NotNil(t, svc)
 }
+
+func TestIsValidVersion(t *testing.T) {
+	svc := documentclean.New()
+
+	assert.Nil(t, svc.IsValidVersion(2))
+	assert.Error(t, svc.IsValidVersion(-1))
+}