!prop: Fixed to match !adduser and !remuser behaviour more closely.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
Excalibur captures alliance total score/value from updated botfiles, but does not add to the database.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
excalibur commits the new total alliance scores and values to the database.
To add these columns without re-running createdy.py, execute this SQL:

ALTER TABLE alliance ADD COLUMN score_total INT; ALTER TABLE alliance ADD COLUMN value_total INT;
ALTER TABLE alliance_history ADD COLUMN score_total INT; ALTER TABLE alliance_history ADD COLUMN value_total INT;

Signed-off-by: Martin Stone <martin@d7415.co.uk>
Allied last 2 commits to MySQL excalibur.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
excalibur: Make request expiry work with multiple bots.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
Update README.md to reflect changes to excalibur.

Signed-off-by: Martin Stone <martin@d7415.co.uk>