- follow current Tcl vonvention for patchlevel var: - changed name of ::nsf::patchlevel to ::nsf::patchLevel - changed content ::nsf::patchLevel from eg .0 to full number including release details - fixed bug in ::variable with colon-prefixed name (shadowCommands does not help, see above) - removed traces of Nsf_VariableObjCmd() - extended regression test