* Added new image code, quanted existing images, fixed bcsv parser
* small clean and sane(r) filenames
* Made a string slightly nicer
* various revert to fix diff
* full revert of editor
* forced revert of editor
* fix sprite init
* ready for merge
Different means of expression for the 8 byte item structure's FreeParam
Will be expanding the ItemEditor so that it has a checkmark to toggle Extension Item editing behavior.
Removes IHeldItem as there's no need to abstract it.
put a folder named "items" with the english named item sprites (tbd if we change to a more sane filename format)
bring your own files, it's like 45 MB so not distributing with the EXE.
Move sprite resources to subfolder for organization
Add FieldItem class (replaces MapItem), might work in a field item editor (similar to building editor)
