Adding Read instances to Message and Block
Generic code thanks to MonadBaseControl
Improved conversion of Stratum messages
Removed unneeded dependencies
Merge pull request #14 from xenog/single-threaded-stratum

Single-threaded Stratum
Removed unneeded dependencies
Merge pull request #15 from xenog/conduit-dependencies

Removed unneeded dependencies
Merge pull request #13 from plaprade/read-instances

Adding Read instances to Message and Block