* New byteutils for state gen
* Added empty slice and nil checks
* Merge branch 'master' into bit-utils
* SetBit to extend bit
* Merge branch 'bit-utils' of github.com:prysmaticlabs/prysm into bit-utils
* Comment
* Add HighestBitIndexBelow
* Test for HighestBitIndexBelow
* another test and better test fail output
* Feedback
* Merge branch 'bit-utils' of github.com:prysmaticlabs/prysm into bit-utils
* Feedback
* Preston's feedback, thanks!
* Use var
* Use var
* Merge refs/heads/master into bit-utils