Added declarations for new utility functions which return pointers to objects in the BaseType hierarchy.
Added declarations for new utility functions which return pointers to
objects in the BaseType hierarchy.


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