Parameterised SQLite queries
Redid note titling

Changed how note titles are changed - now uses a textbox above the note
body to change the title. Code for this is still a bit imperfect
(code-wise -- functionality seems fine). Also minor update to
loading/saving notes to stop notes saving again and again and again as
new notes.
UI Usability Update, New Note bugfix

Extracted "save note" to a method, rather than repeating that code in a
bunch of places pointlessly. Updated "new note" method to save the
current note - amazed I didn't spot that before now. Additionally,
updated control TabIndexes and changed some focusing stuff so that the
interface makes more "sense".
Code tidy

Just tidying up some of the messier parts of the code. No change in
functionality.
Added status strip information.

Status strip now shows date created/edited, and the selection length and
overall length of the note text.
Added Ctrl+A functionality to textboxes.