Changelog for vector-buffer-0.4.1

0.1: initial version added bangs to go functions in mapBufferM* rationalised index computation store size of buffer (replicates vector internals -- boo) 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 0.4.1 updated for ghc 7.10.1 unsafePerformIO NFData now defined in vector package