added support for outer html and case independent comparison
added tests for outer_html and case independent comparison
added contains support to step and moved generic functions to util.py
cleaned up alerts.py and added steps with contains and stored values and case related comparison support
added $ to end of steps regular expressions
added tests for the remember steps
pep8 cleanup
moved wait_for_completion to utils.py
added timeout to the two should (not) see steps
added within x seconds support and fixed some small issues
removed the tests for alerts from page feature
added tests for alerts.py
added change message and new version number
fix according to comments on github