Use roles instead of specifiying a user as an admin.
Give all models tablenames.
Create a new model to contain picture info.
Use enums for dog model.
Move the models into their own subdir.
Move the user model into its own file.
Move the picture model into its own file.
Move the dog model into its own file.
Create an address table that's referenced by the user.
Remove user models __init__ and update defaults.
Convert the old hgignore to a gitignore.
Make a pet model.
Add a tablename for the address model.
Update dependencies.
Ignore pyc files.
Change import for flask_mail.
Import Dog and User models into models namespace.
Remove the dog model from the forms.
Import all models into the model namespace.
Fix Picture model.

Inherit from db.Model, not db.model.  Change all string types to be varchar
length.