Unit tests for spans and some consistency changes.
Include unit test file.
Merge remote-tracking branch 'akhudek/master'
whitespace adjustments
Bump clojure version, stop supporting 1.2.x
document sample literals
don't explode when tested with clojure 1.3
get rid of extra newlines in printed literals
Merge remote-tracking branch 'hiredman/clojure-data-samples'
release 0.2.1
bump to 0.2.2-SNAPSHOT
move known issues up higher in the readme