Some setup.py cleanups

setup.py

@@ -1,7 +1,6 @@
 from setuptools import setup
 from codecs import open
 from os import path
-from aiohttp_spyne import __version__
 
 here = path.abspath(path.dirname(__file__))
 
@@ -10,15 +9,15 @@
 
 setup(
     name='aiohttp-spyne',
-    version=__version__,
+    version='1.0.0',
     description='Aiohttp transport for Spyne RPC library',
     long_description=long_description,
     url='https://github.com/katajakasa/aiohttp-spyne',
     author='Tuomas Virtanen',
     author_email='[email protected]',
     license='LGPLv2.1',
     classifiers=[
-        'Development Status :: 4 - Beta',
+        'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: GNU Lesser General Public License v2 (LGPLv2)',
         'Programming Language :: Python :: 3',
@@ -30,5 +29,5 @@
         'Framework :: AsyncIO',
     ],
     packages=['aiohttp_spyne'],
-    install_requires=['aiohttp>=3.0.0', 'spyne>=2.12.7']
+    install_requires=['aiohttp>=3.0.0,<4.0.0', 'spyne>=2.12.7']
 )