* [NOD-855] Save ECMH for each block UTXO
* [NOD-855] Remove UpdateExtraNonce method
* [NOD-855] Remove multiset data from UTXO diffs
* [NOD-855] Fix to fetch multiset of selected parent
* [NOD-855] Don't remove coinbase inputs from multiset
* [NOD-855] Create multisetBucketName on startup
* [NOD-855] Remove multiset from UTXO diff tests
* [NOD-855] clear new entries from multisetstore on saveChangesFromBlock
* [NOD-855] Fix tests
* [NOD-855] Use UnacceptedBlueScore when adding current block transactions to multiset
* [NOD-855] Hash utxo before adding it to multiset
* [NOD-855] Pass isCoinbase to NewUTXOEntry
* [NOD-855] Do not use hash when adding entries to multiset
* [NOD-855] When calculating multiset, replace the unaccepted blue score of selected parent transaction with the block blue score
* [NOD-855] Manually add a chained transaction to a block in TestChainedTransactions
* [NOD-855] Change name and comments
* [NOD-855] Use FindAcceptanceData to find a specific block acceptance data
* [NOD-855] Remove redundant copy of txIn.PreviousOutpoint
* [NOD-855] Use fmt.Sprintf when creating internalRPCError
* [NOD-275] Moved getBlockTemplate and related functionality to a separate file.
* [NOD-275] Started moving handlers to separate files.
* [NOD-275] Fixed merge errors.
* [NOD-275] Moved all handlers out of rpcserver.go.
* [NOD-275] Moved non-shared functions out of rpcserver.go.
* [NOD-275] Moved handleGetAllManualNodesInfo to a separate file.
* [NOD-275] Moved handlers out of rpcwebsocket.go to separate files.
* [NOD-275] Fixed import error.
* [NOD-275] Renamed all handler files to include underscores.
* [NOD-275] Moved common rpc helper functions to common.go.