defined the structs
defined some more functions
got almost everything done just need to eval unknown guys with edges
added the idea of weighted samples
filled out more of weighted sampling
started selecting the next nodes
wrote code to eval nodes
fixed return type
works with one node networks now
fixed calc-num-unknown-inputs
switched to tail recursive func, added example
put bayes theorem into the mix
inifite loop right now, doing recursive guy thouhg
fixed infinite recursion
made special case for unknown evals
introduced gethash-cons
factored out some patterns
increased speed by only conditionally evaluating some things
Merge branch 'master' of https://github.com/clarkeaa/bayesampler

Conflicts:
	bayesampler.lisp
added type specifiers