Removed legacy switchable lightstyles limit (requires updated engines when exceeded). Added -facestyles argument that allows for >4 styles per face, as well as potentially increasing style indexes to 16bit for far far more switchable styles.
support for radiosity _surface lights with `_surface_radiosity` key
allow lightstyles for _surface radiosity lights
bounce enabled by default on Q2
remove ValueForKey, use epairs directly
remove byteswap as it wasn't used any more
re-introduce imemstream and omemstream to make it harder to accidentally use the wrong operators
add dynamic padding stream manipulator
use memstreams for BSPX
Jonathan