added sheat sheet to readme
removed & more-args from main to not confuse people
Merge branch 'master' of github.com:adcloud/clojure-intro-workshop
improved page 1 patterns

- calling functions before defining them
- better examples for do
- explicitly stating that functions can be assign and reassigned
stating that data types are immutable
removed the part about refs
added or and and functions
more comments that explain the code and well as a more robust get-element function, wich respects the array boundries
Formatting
Fix typos.
Grammar.
Typos.
Bugfixes: allow file to be compiled.
Code readability.
Merge pull request #2 from adcloud/test-run-improvements

Test run improvements