- new flag for configure: "nx::configure checkresult on|off" - turn off result-checking for non-converters, when checking is off (per default, it is on) - extended regression test for optional result checking
- new parameter option "convert" to signal that an application specific parameter checker should convert the value (takes the result of the methods as conversion result) - added parameters for slots "allowemtpy" and "convert" - extended regression test