Update of SQL function calling interface to make it usable during initial bootstrap- add sanity checks and produce error messages, when function args are incorrect.- do not throw errors in case it is called before the table acs_function_args was created (during boot)- added preliminary "list" call to acs::dc- added first *-init.tcl to be called after loading the *-proc.tcl files.- removed all references to the ::xo::* namespace
