Log Message:
py-textile: updated to 4.0.2

Version 4.0.2
* Bugfixes:
** Support non-http schemas in url refs
** pytest-runner is deprecated
*** other changes related to CI infrastructure

Version 4.0.1
* Bugfixes:
** SyntaxWarnings with Python 3.8
** testsuite: internal error with coverage 5.0.X
** DeprecationWarnings about invalid escape sequences

Version 4.0.0
* Drop support for Python 2, hence the version bump. Update list of PY3K \ 
versions to currently-supported versions. If you need to use textile on Python \ 
2.7 or Python 3.3 or 3.4, please use textile Version 3.0.4.
* For use in PyPy environments, textile used to work well with the regex \ 
package. Lately, it's running into trouble. Please uninstall regex if this is \ 
the case for you.