Add Data::Dumper::Names module to get hash names.
Remove unused MIME::Base64 module.
Document the debug variable.
Make debugging output more dynamic so dev needs to do less text formatting.
Document what numpingcount is to make it clearer how server or command-line args are used.
Document what curloptverbose is and what it's settings are.
Make it so custom server URL configuration passed overrides global speedtest settings.
Respect server latency waittime.