Bump the version to 0.7

Author: 1st1

immutables/__init__.py

@@ -8,4 +8,4 @@
 
 
 __all__ = 'Map',
-__version__ = '0.6'
+__version__ = '0.7'

setup.py

@@ -45,7 +45,9 @@
         'License :: OSI Approved :: Apache Software License',
         'Intended Audience :: Developers',
         'Programming Language :: Python :: 3 :: Only',
+        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'Operating System :: POSIX',
         'Operating System :: MacOS :: MacOS X',
         'Operating System :: Microsoft :: Windows',