Activate flake8, isort and coveralls in the configuration of tox (#105)

* Activate flake8, isort and coveralls in the configuration of tox

* Update code to respect PEP8

* Fix bug in the lang_IT for python 3

* Update the README to include the new converters.

setup.py

@@ -1,10 +1,10 @@
-from setuptools import setup, find_packages
-
+from setuptools import find_packages, setup
 
 CLASSIFIERS = [
     'Development Status :: 5 - Production/Stable',
     'Intended Audience :: Developers',
-    'License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)',
+    'License :: OSI Approved :: GNU Library or Lesser General Public License '
+    '(LGPL)',
     'Programming Language :: Python :: 2.7',
     'Programming Language :: Python :: 3',
     'Topic :: Software Development :: Internationalization',
@@ -13,7 +13,8 @@ CLASSIFIERS = [
     'Topic :: Text Processing :: Linguistic',
 ]
 
-LONG_DESC = open('README.rst', 'rt').read() + '\n\n' + open('CHANGES.rst', 'rt').read()
+LONG_DESC = open('README.rst', 'rt').read() + '\n\n' + \
+            open('CHANGES.rst', 'rt').read()
 
 setup(
     name='num2words',
@@ -25,7 +26,9 @@ setup(
     author_email='tos@users.sourceforge.net',
     maintainer='Savoir-faire Linux inc.',
     maintainer_email='virgil.dupras@savoirfairelinux.com',
-    keywords=' number word numbers words convert conversion i18n localisation localization internationalisation internationalization',
+    keywords=' number word numbers words convert conversion i18n '
+             'localisation localization internationalisation '
+             'internationalization',
     url='https://github.com/savoirfairelinux/num2words',
     packages=find_packages(exclude=['tests']),
     test_suite='tests',