Created Validation-class for validation of password
Password and/or e-mail was incorrect - message added
Added function for validating email-address
SQL injection fix
Changed all Statements to PreparedStatements
Made functions static
Fixed tiny error in incorrect-email-or-password-message
Password conventions should be in place. Going to test on Marte's machine now.
Dotted some i's and crossed some t's. Minor changes in strings.
Added comment on something we have to do
Merge branch 'master' of github.com:Programvaresikkerhet/Bookstore