Expanded help to include all the verbose options. Added PERF macros to code around request_data() call.
Expanded help to include all the verbose options.
Added PERF macros to code around request_data() call.


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