fixup! setup.py: Add Python 3.8 and remove 3.4

Author: cclauss

setup.py

@@ -56,10 +56,10 @@
     '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',
+    'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: Implementation :: CPython',
     'Programming Language :: Python :: Implementation :: PyPy',
     'Topic :: Software Development :: Libraries',
@@ -79,7 +79,7 @@
       package_data={'': ['requirements.txt']},
       scripts=['bin/jsondiff', 'bin/jsonpatch'],
       classifiers=CLASSIFIERS,
-      python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
+      python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
       project_urls={
           'Website': 'https://github.com/stefankoegl/python-json-patch',
           'Repository': 'https://github.com/stefankoegl/python-json-patch.git',