Adds Monad
expose fromByteBuffer in HyperLogLog
fixes and tests for HyperLogLog.fromByteBuffer
added HyperLogLogMonoid.batchCreate for efficient construction over existing collections of items
Sparse BF
SeqMonoid
Merge pull request #102 from mikegagnon/seq_monoid

SeqMonoid
Merge branch 'develop' of https://github.com/twitter/algebird into hll-byte-buffer
Speed up BFInstance.contains
EventuallySemigroup, etc
fixes
Speed up BFInstance.contains
Fix size.
Fix density.
swap L and R in Eventually structures
add trivial unrelated comment to wake up Travis
add license header
Fix equals on RichCBitSet.
Merge pull request #101 from asiegel34/hll-byte-buffer

expose fromByteBuffer in HyperLogLog
EventuallyMonoid just needs Semigroup[L]