initial commit
* separated the parser and helpers from Main
* wrote part of the evaluator
* changed sandbox.sh premissions
* link to README.md
* minor edit in evaluator
* tackling evaluation
* some type renames
* done for today
* some more evaluator improvements
* something already works!
* a parser bugfix
* minor change to example
* moved code to modules under M5/
* require stream declaration for output (e.g '=> streamName')
* started implementing multiple output streams (currently all goes
  to stdout regardless of stream name)
* started developing toward the 'reparse' path, but
  this is possibly not what I want.. The state is saved in
  'M5/Expand2.hs'
* saving state
* implemented output streams (as a hashmap to Raw)
* explored some cmd arg parsing
* wrote part of the main function ('go')
* saving state, DOESN'T TYPECHECK
* in progress of getting main working
* working on commandline argument parsing
* saving state