fixed some whitespace issues in the parser
Merge branch 'develop'

Conflicts:
	src/main/clojure/numeric/expresso/parse.clj
Merge branch 'develop'
fixed bug in ex'
Releasing expresso 0.2.0 marking the end of the gsoc coding period
edited doc. Added example to readme.md
edit README.md
added ability to parse arbitrary clojure symbols in parse-expression by escaping them `like-this`
edited doc
pom updates
Merge remote-tracking branch 'origin/master' into develop