- moved xotcl-1.* definition into an own library file - renamed library/lib/changeXOTclVersion.xotcl to library/lib/changeXOTclVersion to ease pkgIndex generation - new function "xotcl::use xotcl1" or "xotcl::use xotcl2" to ease switching between xotcl 1 and 2 - changed library/lib/test to xotcl2 - added for all regression test "xotcl::use xotcl1" instead of "namespace import ::xotcl::*"
- handling of aliased objects, when the target objects are destroyed (realized via refcounting on objects) - distinguishing between nested and aliased objects in cmd table during deletion - extended regression test