Merge branch 'f-select-any-version' into 'dev'

Server returns the entity version for all select queries

See merge request caosdb/caosdb-server!69

src/main/java/org/caosdb/server/entity/xml/EntityToElementStrategy.java

@@ -87,7 +87,7 @@ public class EntityToElementStrategy implements ToElementStrategy {
     if (setFieldStrategy.isToBeSet("id") && entity.hasId()) {
       element.setAttribute("id", Integer.toString(entity.getId()));
     }
-    if (setFieldStrategy.isToBeSet("version") && entity.hasVersion()) {
+    if (entity.hasVersion()) {
       Element v = new VersionXMLSerializer().toElement(entity.getVersion());
       element.addContent(v);
     }