update descriptions
Language fixes.
Language fixes.
Merge pull request #1 from Vachenzo/patch-1

Language fixes.
Merge pull request #2 from Vachenzo/patch-2

Language fixes.
Update referee.py
Merge pull request #3 from oduvan/patch-1

hashlib
fix test cases
fix test cases
readme
update for description and referee
Clearing
fix pre
tests
update tests from examples
initial codes
fix max
fix
Merge remote-tracking branch 'buganini/master'

Conflicts:
	verification/tests.py