Issue #3: Allow for using foreign exchanges with different data formats
inital effort for 1.4.0 compatibility
lein check and leint test both happy
bump version number
setup to deploy to clojars
fix defproject for clojars
update project for src info
fix typo
fix typo
Migrate to clojure 1.4 and remove clojure-contrib

Use clojure 1.4
clojure.org/data.csv
clojure.org/data.json
update version nr
cruft cleanup, add docs
merging work from @AndreasKostler and @gberenfield
merging changes from @atog