Version 3.1 (Mike Wyatt, Rob O´Donnell, Jon Welch)
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* Added econet emulation. It works in Model B mode and Master 128 mode.
The Acorn level 1 and 2 file server software runs and stations can
read/write files to the server. Note that the default DFS ROM in Model B
mode has been changed to the Acorn DNFS ROM.
(Note also that TORCHNET works using the Torch Z80 Co-Processor)

* Added some more command line options. The hardware model and tube support
can be specified on the command line. See the notes in readme.txt.

* Fixed default read value for IO pages FRED and JIM. Fixes graphics
corruption in tape version of Alien 8.

* Fixed bug in video emulation where it was attempting to display one too
many lines causing visual artifacts (thanks to Phil Sainty for
highlighting this one).

* Added SCSI ADFS Hard Disc support

* Added SASI Torch Z80 Hard Disc support

* Removed IDE support as no longer needed

* Added Acorn ADFS 1.3 ROM to Model B and B Plus modes so SCSI hard disks
can be used.

* Fixed problem with Alt key where certain keys get locked down

* Fixed econet station allocation on PCs with multiple network
interfaces/cards (thanks to Sam Skivington).

* Added keyboard shortcuts for Quicksave (keypad /) & Quickload (keypad *).
Quicksave now keeps the last 10 quicksave files so you can go back to an
earlier state using the load state menu option.

* Changed to ignore DirectX errors during screen update. Stops BeebEm
reporting an error when switching between a full and non-full screen mode
instances of BeebEm. DirectX appears to sort itself out after a second
or two!

* Fixed disk initialisation in the 1770 controller when creating a new disk
image.

* Fixed disk formatting with the 1770 controller.