adds a runner that parses files (and some fibo examples)
making grammar look more like ruby
fixed and tightened transformation tests, also by implementing node ==
imroved and fixed node test (parse and transform)
move straight to rb files, fixed runner
moved nodes to parser (one more layer) and fixed tests. also adds assignment
space and order fiddling (gets assignments to work better)
More assignment test
Semi random code for the next step
some explanation for the parser tests