Beginging of rewrite to cljx
cljx compiling
All tests now pass for cljx refactor

Move tests for ring-related fns into `bidi.ring_test` ns
Update project.clj for cljx + clojurescript.test use
Test for `bidi.bidi` now cljx
Clojurescript tests run - and fail at RegExp stuff
All tests pass for cljs except regex