* various .def scripts updates
* added cmd.def & getchatitem.def
* fixed: correctly check variable names in function "isset"
* fixed problems with loading scripts that cosist captalized IF/ENDIF/LOOP/ENDLOOP statments. now upper, lower and mixedcase work as they should.
* fixed problem with not sent packets that appeared [85]
* fixed infinite spam-loop when whispering to self with enabled autoreply
* fixed a bug (asking for playername although object is an item)
* forgot to add conf option: "NOTIFYPING"
* forgot to describe in prev. rev.: added new DefScript load definition: "#onload" & "#/onload". execute parts of scripts when they get loaded (to initialize stuff, for example)