All's working! (Except maybe some layout shenaningans)

I still need to do some work, but it's ready to be merged into master.

Also, I fixed a dictionnary lookup issue where searching words in all
caps was impossible.

W-I-P.

QTimer implementation which triggers them when the battery reaches a
certain charging level

What an idiot am I...

WIP, some changes coming, notably a critical/low battery alert, and some
big code revamping.

position in book

UI fixes.

when reading.