* Added better destroy of login token if invalid
* Block users from opening notes they don't own, note closes automatically
* Beefed up login and home page a little to make them more appealing
* Added more options to attachment page and filters
* Much better rendering and updating on attachment page
* Math bug is fixed with better string parsing fixes#14
* Icons are limited to 4 per note
* If an image is visible on note preview it will not appear in images preview
* Touched up text algorithm to better display note titles