Bump version to 0.8, add Python :: 2 to classifiers

Author: tierpod

setup.py

@@ -5,14 +5,15 @@
 
 setup(
     name="pyosm",
-    version="0.7",
+    version="0.8",
     description="Library for building OSM tools",
     url="https://github.com/tierpod/pyosm",
     author="Pavel Podkorytov",
     author_email="[email protected]",
     license='MIT',
     classifiers=[
         "Development Status :: 3 - Alpha",
+        "Programming Language :: Python :: 2",
         "Programming Language :: Python :: 3",
     ],
     packages=find_packages(),