make it possible for not exact match when using stored values
make it possible to check for lowercase of stored value
also allow for uppercase. allow store and remember as wording
added tests for uppercase/lowercase support
sometimes the file does not exist
give the html utf-8 encoding
splitted keys into two scenarios
the feature should work for all or should be removed
added test that was commented out, fixed heading
add exception to prevent wrong usage of the method _store_with_case_option
moved temp file to global variable
Merge pull request #6 from beanqueen/improvement_for_remember_step

Improvement for remember step