[TestCase] inherits from unittest.TestCase
[TestCase] steps
[TestData]: defined assert File equal function
removed unusefull tests
[first implementation]
[test_case] better implementation
[TestCase] cleaned
license added
[TestCase] removed debug prints
Merge branch 'topic/extending_unittest' of https://github.com/asiniscalchi/iperione into topic/extending_unittest

Conflicts:
	iperione/test_case.py
[Comparator]
 better output
Merge branch 'topic/extending_unittest' of https://github.com/asiniscalchi/iperione into topic/extending_unittest

Conflicts:
	iperione/test_case.py