[hacks] cached handler list -> handlers, improved throughput
[hacks] cleaned up config validation
[hacks] remove handler list cache, unknown handler log lines are important
[hacks] fixed nested set validation
[hacks] dont enforce the use of a config file or config dir
[hacks] made client check extensions a bit more robust
[hacks] client socket handler uses reply (bool) instead of protocol
[hacks] removed check extension run rescue, almost useless, threads man
[hacks] ensure check extension intervals are integers
[hacks] style change, push() is now <<
[hacks] updated changelog
[hacks] extra white space
Merge pull request #474 from portertech/hacks

No longer default or enforce config file or directory, cleaned up config validation.