0.1:
		initial version

0.1.0.1:
		added bangs to go functions in mapBufferM*

0.1.0.2:
		rationalised index computation
		store size of buffer (replicates vector internals -- boo)

0.1.0.3:
		use `mod` for index calculations

0.2
		changed type signature of 'toVector' thanks to Luke Palmer

0.3
		added Unboxed, Primitive, Boxed

0.4
		added deepseq dependency