def __init__(self, name, submit_value, form_action, input_dict, form_method="<STR_LIT>", css_class=None):
self.name = name<EOL>self.submit_value = submit_value<EOL>self.form_action = form_action<EOL>self.form_method = form_method<EOL>self.input_dict = input_dict  <EOL>self.css_class = css_class<EOL>
Use it to create a ButtonableForm. It takes following parameters:
'name' is the form's name,
'submit_value' is the button's value,
'form_action' is the form's action,
'form_method' is the form's method,
'css_class' is the class selector