Added read_p and send_p to the set of members copied by _duplicate(). From Reza.
Added read_p and send_p to the set of members copied by _duplicate(). From
Reza.


OPENDAP/libdap4,OPENDAP/libdap,OPENDAP/libdap,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap,OPENDAP/libdap,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4