Changed the conversion starter system to an update starter system.
Also increased the usability of the update page by adding more information abou t each update that can be done and for which version number this applies.
Coverage: code coverage testing for Python
Coverage.py is a Python module that measures code coverage during test execution.
It uses the code analysis tools and tracing hooks provided in the Python standard
library to determine which lines are executable, and which have been executed.
For more information, see http://nedbatchelder.com/code/modules/coverage.html