setup.py: updated to latest pypi release

setup.py

@@ -1,16 +1,22 @@
+import setuptools
 from distutils.core import setup
 
 with open('README.md') as file:
     long_description = file.read()
 
-setup(name = 'py2gmsh',
-      packages = ['py2gmsh'],
-      version = 'v3.0.6.0',
-      description = 'Python wrappers to gmsh files with object-oriented syntax',
-      long_description = long_description,
-      author = 'Tristan de Lataillade',
-      author_email = 'delataillade.tristan@gmail.com',
-      url = 'https://github.com/tridelat/py2gmsh',
-      download_url = 'https://github.com/tridelat/py2gmsh/tarball/v3.0.6.0',
-      keywords = ['gmsh', 'wrapper', 'mesh', 'python', 'api'],
-      classifiers = [])
+setup(name='py2gmsh',
+      packages=['py2gmsh'],
+      version='3.0.6.0',
+      description='Python wrappers to gmsh files with object-oriented syntax',
+      long_description=long_description,
+      long_description_content_type='text/markdown',
+      author='Tristan de Lataillade',
+      author_email='delataillade.tristan@gmail.com',
+      url='https://github.com/tridelat/py2gmsh',
+      download_url='https://github.com/tridelat/py2gmsh/tarball/v3.0.6.0',
+      keywords=['gmsh', 'wrapper', 'mesh', 'python', 'api'],
+      classifiers=["Programming Language :: Python :: 3",
+                   "License :: OSI Approved :: MIT License",
+                   "Operating System :: OS Independent",
+      ],
+)