Creating user objects
Add presence validation for 'name' and 'email'
Add length validation for 'name' and format validation for 'email'
Add duplicate validation for 'email'
Add an encrypted 'password_digest' column to 'users' table
Add password comfirmation
Add secure password and check length password if > 6
Fix EMAIL_VALID_REGEX & Add test of email with mixed case
Add 'user show page' testing with Factory