Add password hashing capability
Add skeleton for login screen
Get login system mainly working
Switch on sessions in all pages, recognise logged in/out
Add logout and username greeting
Centralise CSS, switch various inline styles to classes
Various CSS improvements
Add a PDO param to functions, for consistency
Tidy up CSS for comment form
Enable foreign key constraints
Prevent direct downloaders nicking the database etc
Add in skeleton for New Post form
Only allow authenticated users on the New Post page
Add basic new post functionality
If a post ID is supplied, show that post in the editor
Make amendments to posts an update rather than an insert
Separate the top menu into a new file
Add in custom title in edit post
Add in cancel link in edit post
Add an edit link for users who are logged in