update setup.py for pypi update

setup.py

@@ -6,15 +6,14 @@
 # Get the long description from the README file
 with open(path.join(here, 'README.rst')) as f:
     long_description = f.read()
-version = '1.0.4'
+version = '1.0.5'
 
 setup(
     name='nanonispy',
     version=version,
     description='Library to parse Nanonis files.',
     long_description=long_description,
     url='https://github.com/underchemist/nanonispy',
-    download_url = 'https://github.com/underchemist/nanonispy/tarball/'+version,
     author='Yann-Sebastien Tremblay-Johnston',
     author_email='yanns.tremblay@gmail.com',
     license='MIT',
@@ -24,12 +23,12 @@
         'Intended Audience :: Science/Research',
         'Topic :: Scientific/Engineering :: Physics',
         'License :: OSI Approved :: MIT License',
-        'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6'
     ],
     keywords='science numpy parse library',
+    python_requires='>=3.3',
     packages=['nanonispy', 'nanonispy.tests'],
     package_data={'nanonispy': ['LICENSE', 'README.md'], },
     install_requires=['numpy', ],