added tests for lib/Qpsmtpd.pm (Issue #67)
add MYMETA.* to .gitignore
resolve issue #77 and PR #32
remove DashProfiler

was commented out. In the future, profiler code should be kept in it's own branch, and then merged against smtpd/master when being used.
remove empty DESTROY()
helo: added IPv6 support to invalid_localhost

and also suppress a test warning
added Utils::is_localhost and t/qpsmtpd-utils.t

resolves Issue #89
2x: use Utils->is_localhost() to detect loopback

* it's IPv6 compatible
* plugins/helo, plugins/fcrdns
helo: improved invalid_localhost detection
Update tests to expect new STDOUT from fault().