Extracts/repacks PKG files for Metroid Dread

input path => path to the PKG file
output path => folder path of the extracted PKG file
PKGTool -x <input path> [-o <output path>] [-i]

input path => folder of the unpacked PKG
output path => path to the new PKG file
PKGTool -c <input path> [-o <output path>]