modified:   TsetseCheckout/user/forms.py
TsetseCheckout/public/views.py:
- added pi_name and pi_email to def register()
TsetseCheckout/user/models.py:
- Class User:
    - added pi_name and pi_email to variables and def __init__()
TsetseCheckout/user/forms.py:
- class RegisterForm(Form):
    - added pi_name and pi_email
TsetseCheckout/templates/public/register.html:
- added slots in form for pi_name and pi_email
migration version 53816cb45545: pi_name/pi_email
	new file:   dev_db_versions/dev.db.53816cb45545_pi_email_name
	new file:   migrations/versions/53816cb45545_.py