structures: Add structure for Item-sparse.db2, forked off ItemCache, and rename a bunch of fields
structures: Add structure for Item-sparse.db2, forked off ItemCache, and rename a bunch of fields

jleclanche/pywow,jleclanche/pywow,jleclanche/pywow,jleclanche/pywow,jleclanche/pywow,jleclanche/pywow