Some fixes to readme, bump version

The last version is just never going to be published.  That's fine.

README.rst

@@ -364,7 +364,7 @@ You can also set the session timeout the pytest configuration file using the ``s
       session_timeout = 600
 
 Cooperative timeouts
------------------
+--------------------
 
 Session timeouts are cooperative timeouts.  pytest-timeout checks the
 session time at the end of each test function, and stops further tests
@@ -392,6 +392,12 @@ to 100 seconds::
 Changelog
 =========
 
+2.3.1
+-----
+
+- Fixup some build errors, mostly README syntax which stopped twine
+  from uploading.
+
 2.3.0
 -----
 

setup.cfg

@@ -2,7 +2,8 @@
 name = pytest-timeout
 description = pytest plugin to abort hanging tests
 long_description = file: README.rst
-version = 2.3.0
+long_description_content_type = text/x-rst
+version = 2.3.1
 author = Floris Bruynooghe
 author_email = flub@devork.be
 url = https://github.com/pytest-dev/pytest-timeout