Move clojure.rkt
Update README
Convert to pkg format
Add an apropos function
Add a few string functions
Update README for pkg system
Added cond, dec, and inc
Merge github.com:takikawa/racket-clojure

Conflicts:
	README.md
	clojure.rkt
	clojure/clojure.rkt
	clojure/tests/test.rkt
	lang/clojure.rkt
	main.rkt
remove top level files