QueryLogger uses D2-app /logs dir, even if script called from elsewhere via .cgi script - was creating logfiles relative to calling script, so cgi-bin needed symlink to logs dir
setting $Local:DB::NO_LOG_QUERIES true was preventing sql trace output in QueryLogger::log_query so moved it to QueryLogger to take effect on dispatcher log() command; new Utils::datetime_to_string method + test file
added hash() and array() to Local::DBIx::Simple::Result to return in list or scalar context - original only returned scalar ref, and to inflate dates in array()