- nx.tcl: added default/initcmd for ObjectParameterSlot - added ::nx::Object as default for "superclass" slot to make default superclass explicit - unified interface for getParameterOptions - extended regression test
- renamed object parameter type "method" to "alias" - removed parameter option "slotobj=" in toParameterSyntax - renamed to [from|to]parameterSyntax to [from|to]parameterSpec