fix up expression handling
basic expresso implementation
fix issues with result calculatio, applyo additions
misc edits
set up + added experimental rule based translator
edited readme
Merge remote-tracking branch 'maik/master'

Conflicts:
	src/main/clojure/mikera/expresso/core.clj
	src/test/clojure/mikera/expresso/test_core.clj
Merge branch 'sequential'