Merge pull request #8 from beanqueen/contains_support

Contains support
fix on line
Merge pull request #9 from beanqueen/fix_one_line

fix on line
add ignore certificates capabilities
Merge pull request #10 from beanqueen/add_ignore_certificate_capabilities

add ignore certificates capabilities
do pep8 cleanup
add $ at the end of regular expressions
fix broken steps
add general steps and tests for them
remove $ within step
remove unused function
add scenario numbering and indentation
add tests for "with_the_value" finder
add support for waiting time and contains to two more files
move util functions to util.py
add step to take screenshot and tests for it
add support for within x seconds and contains in page.py and tests for it
add pep8 cleanup
update CHANGES
add function descriptions