fixed minor issues after running tests
Merge branch 'master' of https://github.com/liricooli/Compi

# By Sveta Oksen
# Via Sveta Oksen
* 'master' of https://github.com/liricooli/Compi:
  started constructing syntax error
  dot
  returned dot
  whitespace
  removed dot
  removed whitespace
  whitespace
  add whitespace
  removed comments
  built library tree