Do NOT remove empty content
PyCharm generated directory
Add more tests and use stubbing
Refactor test cases
Fix TestFleschease class using stubbing
Fix TestFleschgrade using stubbing
Fix TestFogindex using stubbing
Fix TestColemanliau using stubbing
Minor change
Fix TestAri using stubbing
Fix TestLix using stubbing
Fix TestSmog using stubbing
Fix TestTotalSents
Fix TestTotalSylls using stubbing
Fix variable name
Write unit test for num_syllables
Write unit test for avg_syllables
Minor refactor
Use patch.object instead of patch
Fix TestToVector using stubbing