add infos displayed by 'pip show'

Author: Dorian Birraux

Diff for: setup.py

@@ -53,6 +53,8 @@ def load_tests():
     keywords=['Wolfram Language', 'Wolfram Desktop', 'Mathematica', 'parser', 'serializer', 'WXF'],
     author = ABOUT['__author__'],
     author_email = ABOUT['__author_email__'],
+    license = 'MIT',
+    url = 'https://www.wolfram.com/',
     include_package_data=True,
     packages=find_packages(),
     test_suite='setup.load_tests',