XCI Explorer v1.4.0 with Fast NSP Support

For now, I've decided to use a modified version of nstool for loading NSP files. While this is a workaround, this makes it just as fast (if not faster) than loading XCI files.
Files have been restructured so all tools (hactool + dependencies + nstoolmod) are located in the "tools" folder.
Open an issue if a file doesn't work properly and I'll try to figure out why. Thanks!