Update setup.py

- Add python categories
- Fix travis deployment

setup.py

@@ -14,7 +14,7 @@
 
 setup(
     name='Flask-HTMLmin',
-    version='1.5.1',
+    version='1.5.2',
     url='https://github.com/hamidfzm/Flask-HTMLmin',
     license='BSD-3-Clause',
     author='Hamid FzM',
@@ -36,8 +36,13 @@
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
+        'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
         'Topic :: Software Development :: Libraries :: Python Modules',
         'Topic :: Text Processing :: Markup :: HTML',