Release 1.2.6

• Optimize QUERY message handling

Release 1.2.5

• Add START_BLOCK message (#53)
• Fix QUERY message handling (#54)

Release 1.2.4

• fix bug
  • store calculatingBH as Header data not request data
    *request.BH is Uint.max and it causes problem when reloading DB(only case when RC dies while processing calculate message)

Release 1.2.3

• Fix bugs by reflections package(#48)

Release 1.2.2

• Add integration test (#43)
• Graceful shutdown (#46)

Release 1.2.1

• Fix rollback function bugs (#42)
• Modify log format (#40)

Release 1.2.0

• Add rollback function (#33)
• Improve IPC protocol (#38)
• Fix bugs
  • Beta2 reward calculation bug (#39)