Take folder-specific content out of xotcl_object_type_cache to improve scalability on high load websites. Bump version number of xowiki to 5.10.0d10 and on xotcl-core to 5.10.0d7
add ::xowiki::test::create_form. The most time consuming part was to figure out, that export_vars truncates variable names in case these contain a ":". Bump version number to 5.10.0d9