Update pingmong.cfg example for better real hosts, add NX-domain error host.
Safer set-s, better variable syntax. General shell cleanup.
Update README.
Start function refactoring. More shell idiom cleanup.
Add LOGDATECMD.
Clarify documentation, configuration variables.
Finish refactor into functions.
Start updating dns_test parsing, results, and colorization.
Clean up more variable names. Start rewrite of ping_test.
Finish rewrite of ping_test.
Switch DNS connection refused example to example.com in case user runs a DNS server locally.
Add a known high-ping host.
Compatibility fixes across Linux (dash) and OpenBSD (ksh).
Update config sample comments.