Merge pull request #369 from assem-ch/master

Some fixes on Alfanous Website Sidebar
added: __all__ to specify what to be used outside the module plus faster lookup when using from 'Araby_Statistics import *'
edited: word_pattern, gword_pattern and GWORDS_FORMS moved out of their functions since they has nothing to do with their functions parameters
Merge pull request #370 from Ahimta/master

Araby_Statistics.py refactored
edited: word_pattern simplified while providing the same functionality.
added: TEXT_FIXTURES to store sample data to be tested.
added: docstring automated unit tests and as documentation.
  now you can run 'python -m doctest Araby_Statistics.py' and
  if all goes well it well display nothing, while if any test fails,
  it will display the test and the expected value and the actual value.
edited: all 'print <expr>' are now 'print( <expr> )' for compatibility with python3.
Merge pull request #371 from Ahimta/master

Automated testing, documentation, refactoring  for PyArabic/Araby_Statistics.py
added: more automated tests
added: a function count that capture the common functionality of most other functions
enhanced: counting now doesn't use for comprehension and the function len which make almost 2x faster
Merge pull request #372 from Ahimta/master

More tests and faster implementation on PyArabic/Araby_statistics
fixed: gwords now works correctly thanks to @mdebbar for the fix
enhanced: some refactoring based on @mdebbar suggestions
enhanced: words function now have the same functionality without using regular expressions
added: automated tests and docs for gwords function
word_pattern remove based on @mdebbar suggestion
removed: word_pattern, not used anymore
Merge pull request #375 from Ahimta/master

gwords fixed, more tests and documentation
upload a new wallpaper made by Abd Madjid Kemari
add some icons
White shadow under the logo texts
Merge branch 'master' of github.com:muslih/alfanous
Merge branch 'master' of github.com:Alfanous-team/alfanous
Update the AUTHORS file, adding 2 authors
Merge branch 'master' of github.com:Alfanous-team/alfanous into keywords_improvments