A few little functions I found myself writing inline over and over again.
Build a word out of 8 bytes. No promises are made regarding the order
in which the bytes are stuffed. Note that this means that a
MonadRandom making use of the default definition of
may return different random values on different platforms when started
with the same seed, depending on the platform's endianness.
Same as wordToFloat, but also return the unused bits (as the 41
least significant bits of a