bump to version 0.2-SNAPSHOT
Implement chunkBy2
Neater implementation of chunkBy2
Test chunkBy2
updated README
Merge pull request #33 from bmjames/chunkBy2

Chunk by comparing adjacent elements
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/main/scala/scalaz/stream/Process.scala
	src/main/scala/scalaz/stream/process1.scala