Fixes a bug: The display of sprites in extra resolution was wrong.

Library compatible with CDMD 3.16+ and 256x64 original ROMs

New features:

• dynamic colorization for sprites
• shape mode detection for sprites

Bug fix: The bounding box for sprites was not working on both sides (left and right, top and bottom) if needed

Bug fix: dynamic shadows for right, bottom left, bottom and bottom right were not always working as expected

Improved compatibility to non-Windows operating systems.

Note: Don't use any 2.x version of libserum with DMDext versions before 2.2.3!

The Serum colorization file format has completely changed with this new release, but don't be in a hurry to install it: it is not yet compatible with freezy's dll, we still need to modify it too.
The major change descriptions are available in Github page of ColorizingDMD v3.0.0 here https://github.com/zesinger/ColorizingDMD/releases/tag/V3.0.0.

By @jsm174:
Modifications on the build script, no impact on the format itself.

On request of some authors, I've just increased the number of sprites that can be displayed at once to 16 (previously 12).

New feature: the BACKGROUNDS (request ColorizingDMD 2.0.0+ and SortingCDump 1.6.1+ for editing)

As usual, for Windows users, download "libserum-1.6.0-win-x64.zip" and extract "serum64.dll" in your "VPinMame" directory, don't forget to unblock the file if needed. Do the same with "Serum.dll" in "libserum-1.6.0-win-x86.zip".