support both spellings of CAPTCHA ;)
support both spellings of CAPTCHA ;)

jichu4n/flask-captcha,mbi/django-simple-captcha,mbi/django-simple-captcha,171767313/django-simple-captcha,171767313/django-simple-captcha,viaregio/django-simple-captcha,viaregio/django-simple-captcha,mbi/django-simple-captcha,171767313/django-simple-captcha,jichu4n/flask-captcha