Added set_value, get_value functions to the Field class.
Added an option to include 'required' validator in the StringField.
Added BooleanField.
Remade captcha.check function to always return that the captcha is valid if the user didn't have to fill it.
Added AddChannelForm which basically replaces previous shitty function.
Added RequiredValidator.
Added ChannelNameValidator which does nothing.
Users can add new channels.
Added Form.get_error_list().
AddChannelForm actually adds new channels.
Added channel name validation.