[UDT] Readme, add release chapter

README.md

@@ -79,7 +79,43 @@ One (non stanbdard) package, **pypiwin32** is needed by wexpect.
 
 Thanks for any contributing!
 
+### Test
+
 To run test, enter into the folder of the wexpect's repo then:
 
-`python -m pytest tests`
+`python -m unittest`
+
+Note that `tests.test_constructor.TestCaseConstructor.test_constructor` test fails due to
+[STDERR isn't handled properly #2](https://github.com/raczben/wexpect/issues/2).
+
+### Release
+
+The wexpect uses [pbr](https://docs.openstack.org/pbr/latest/) for managing releasing procedures.
+*Pre-release tasks:*
+
+ - First of all be sure that your modification is good, by running the tests.
+ - Commit your modification.
+ - Create a test build `python -m setup sdist`
+ - Upload the test `twine upload -r testpypi dist\wexpect-<VERSION>.tar.gz`  (You must install twine first.)
+ - create virtualenv `virtualenv wexpectPy`
+ - Activate the virtualenv `.\Scripts\activate.bat`
+ - Install the test build `python -m pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple wexpect`
+ - run `python -c "import wexpect;print(wexpect.__version__)"` 
+ 
+*Release tasks:*
+
+ - Tag your commit (see the version tag format.)
+ - Run `python -m setup sdist`
+ - Upload the archive using: `twine upload dist/wexpect-<VERSION>.tar.gz`
+ - create virtualenv `virtualenv wexpectPy2`
+ - Activate the virtualenv `.\Scripts\activate.bat`
+ - Install the test build `python -m pip install wexpect`
+ - run `python -c "import wexpect;print(wexpect.__version__)"` 
+ 
+Test 
+ This means that you should r
+ 
+
+
+