Fixed string-loading issue.
Fixes for handling file dialog, filters, etc.
Changed the return value of dlg_file so we can use its RO flag.
Removed the additional _WP statusbar menu items (no longer needed with new RO handling.)
Updated SettingsUI to have a <configure> for disk controllers.
Moved machine config code to machine/machine_table.c.
Fixed more constness stuff in device.c and machine_table.c
Fixed an issue in win_devconf.c (buffers too small.)
Misc changes and fixes.
Cleaned up parallel ports.
Reworked serial ports as devices (still need to clean the chipsets..)
Fixed some issues in Makefile.local.
Prepared for the XTA driver.
Reworked the mouse code AGAIN, fixes crashes on some serial mice and the PS/2 mouse.c
Cleaned up win_devconf.c.
Cleaned up and re-integrated the Toshiba T1000/T1200 machines.
Moved LZF files to floppy/, as that is the only module using them.
Various bugfixes and cleanups here and there.
Moved the SIO files to a new sio/ folder.
Added the 'version.h'stuff, added Makefile rule to generate the Manifest file for Windows.
Re-worked the About dialog - it now includes more info.
