Corrected multi-threaded Stratum
Merge pull request #21 from xenog/multi-threaded-stratum

Corrected multi-threaded Stratum
Adding the Reject message to the protocol types
Strict datatypes for Stratum and JSON-RPC messages
Merge pull request #23 from xenog/stratum-strict

Strict datatypes for Stratum and JSON-RPC messages
Merge pull request #22 from plaprade/reject-message

Adding the Reject message to the protocol types