bits-372 released with these changes:
The BITS distribution now includes a bootable ISO image for convenience; thanks to deep magic in GRUB, this image also works as a bootable USB disk image. This image lets you create bootable BITS media more quickly and easily, though the resulting media does not support subsequent modification. For more information, see INSTALL.txt.
Add documentation in INSTALL.txt for upgrading an existing BITS USB disk by replacing the boot directory, without repeating the entire procedure for making the disk bootable.
Note that building BITS from source now constructs an .iso image using grub-mkrescue, which requires xorriso.
Correct the description of the new tests in the previous version of BITS.