Added date range and date validation for signup
Modified code with pep8
Modified model code
Width removed for date & year
Username needs to be case insensitive
Update the example phone number to say +250 instead of +27
Instructions Show All overlapping on the content of the page
Increase the size of the image displayed in the Article
Merge pull request #37 from praekelt/feature/issue_signup_form_date

Added date range and date validation for signup