Unroll part of yesterday's commit, i.e., the signature of the 'step' macro has been changed back to the previous version.  The removed code is merely necessary to handle the RPC requests, so it is moved to xquery_rpc.mx.
Unroll part of yesterday's commit, i.e., the signature of the 'step'
macro has been changed back to the previous version.  The removed code
is merely necessary to handle the RPC requests, so it is moved to
xquery_rpc.mx.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb