Adapt the doc of sum to its implementation
Change sum to always emit one element and add prefixSums
Move Arbitrary and Equal instances to TestInstances
Move process1 tests to Process1Spec
Reorder tests alphabetically
More reordering and use === consistently
Only compute p.toList once
Add test for splitOn
Use same Scala version in .travis.yml as in build.sbt
Merge pull request #157 from fthomas/scala-version

Use same Scala version in .travis.yml as in build.sbt
https://github.com/scalaz/scalaz-stream/issues/132 https://github.com/scalaz/scalaz-stream/issues/132 unsafeChunkR doesn't actually reuse the same buffer.
Update scodec-bits to version 1.0.0
Merge pull request #159 from fthomas/scodec-bits

Update scodec-bits to version 1.0.0
Merge pull request #155 from fthomas/Process1Spec

Move process1 tests from ProcessSpec to Process1Spec
minor efficiency change, do the length test first (and use `array.length` rather than `.size`)
Replace id[A].map(f) with lift(f)
Merge pull request #158 from jedws/master

unsafeChunkR doesn't actually reuse the same buffer.
Merge pull request #162 from fthomas/use-lift

Replace id[A].map(f) with lift(f)
Fix continuous signal so it always returns newest value
Add process1.zipWithIndex and zipWithState