Closes #94 - Modified Fluo API to no longer depend on ByteSequence.
API now uses a Bytes class which was created for Fluo and was based off
ByteSequence.  The Bytes class is implemented using ArrayBytes. Changed
all references to ByteSequence in Fluo to Bytes except for iterator
code.
Merge pull request #96 from mikewalch/fluo-94

Modify API to no longer depend on ByteSequence
WIP making recovery more parallel