Don't describe mypy_extensions as experimental in the description (#32)
Also a few other minor updates to the description.
diff --git a/setup.py b/setup.py
index 5fbcba8..f7f7d41 100644
--- a/setup.py
+++ b/setup.py
@@ -1,13 +1,13 @@
from setuptools import setup
version = '1.0.0-dev'
-description = 'Experimental type system extensions for programs checked with the mypy typechecker.'
+description = 'Type system extensions for programs checked with the mypy type checker.'
long_description = '''
Mypy Extensions
===============
-The "mypy_extensions" module defines experimental extensions to the
-standard "typing" module that are supported by the mypy typechecker.
+The "mypy_extensions" module defines extensions to the standard "typing" module
+that are supported by the mypy type checker and the mypyc compiler.
'''.lstrip()
classifiers = [