Switched to a PRNGFactor instead of using a single generator object
Added -h for help, and a dynamic names in Usage()
Added ruby support
Detect number of CPU cores
Updated readme
Small tweaks the -h help
Thread answers no longer have a race condition
Added -c option, to set min confidence
Merge branch 'master' of https://github.com/moloch--/untwister into moloch

Conflicts:
	Makefile
	README.md
	untwister.cpp