Add session middleware using MongoDB
Add success/error message when adding scores
Handle errors on GET /scores
Move the score form into a template

This allows re-use for editing existing scores.
Add score editing form
Add GET /scores/:id for viewing a single score
Add ID field to Score

The physical scores are identified by a number which determines their
position.
Add development logger
Add 'jump to ID' field to the index page
Add error handling page

Currently used for the single score pages.
Add edit icon
Add basic search functionality

Searching is currently an "OR" search with the space-separated words
given in the search query.