2013-05-29  Martin Senger  <martin.senger@gmail.com>
	* Version 0.2.0 released
	* Added option ALLOW_SHELL.
2013-05-26  Martin Senger  <martin.senger@gmail.com>
	* Version 0.1.3 released
	* Fixed few tests.
2013-05-21  Martin Senger  <martin.senger@gmail.com>
	* Version 0.1.2 released
	* Fixed details in the documentation and in the tests.
2013-05-19  Martin Senger  <martin.senger@gmail.com>
	* Version 0.1.1 released
	* Fixed is_finished().
2013-05-18  Martin Senger  <martin.senger@gmail.com>
	* Version 0.1.0 released
2012-06-11  Martin Senger  <martin.senger@gmail.com>
	* Version 0.1.0 started.