Updated releasenotes for release

Fixed date in releasenotes.txt

Bumped version#

Fixed bug which stopped sound games from building. Fixed test cases i…

…n tests folder which hadn't been updated to new way of specifying colours.

Manual update

New manual

Updated releasenotes.

Consider @set_cursor with line = 0 to mean line 1. X16 builds now per…

…form NEW before loading game from disk again when restarting, to make debugging easier if file isn't found.

Fixed too long pause for save/restore on MEGA65. Made x_for_examine a…

… byte shorter. Bumped version# and releasenotes for a proper release.

Updated releasenotes, set version# to 14.17 for release