* [NOD-640] Revamp blueBlocksBetween to return up to maxEntries from highNode's antiFuture.
* [NOD-640] Fix bad traversal.
* [NOD-640] Use more accurate len.
* [NOD-640] Use more appropriate len in another place.
* [NOD-640] Remove the whole business with highNode's anticone.
* [NOD-640] Rename highNodeAntiFuture to candidateNodes.
* [NOD-640] Explain the highNode.blueScore-lowNode.blueScore+1 approximation.
* [NOD-640] UpHeap -> upHeap.
* [NOD-640] Fix off-by-one error.
* [NOD-640] Rename blueBlocksBetween to antiPastBetween,
* [NOD-640] upHeap -> up-heap.
* [NOD-640] Use a classic for to populate nodes.
* [NOD-640] Reworded a comment.
* [NOD-640] Clarify a comment.
* [NOD-640] Fix nodes declaration.
* [NOD-669] Remove the "get" from getBlueBlocksBetween.
* [NOD-669] Remove the "Get" from GetBlueBlocksHeadersBetween.
* [NOD-669] In blueBlocksBetween, rename startHash to lowHash and stopHash to highHash.
* [NOD-669] Rename startHash to lowHash and stopHash to highHash in blockLocator logic.
* [NOD-669] Remove zeroHash logic in blockLocator.
* [NOD-669] Finish renaming startHash and stopHash in blockdag.
* [NOD-669] Rename startHash and stopHash in blockdag where I previously missed it.
* [NOD-669] Rename startHash and stopHash in blockdag where I previously missed it some more.
* [NOD-669] Rename startHash and stopHash in blockdag where I previously missed it some more some more.
* [NOD-669] Fix bad grammar in method names.
* [NOD-669] Rename lowHash to blockHash in SelectedParentChain.
* [NOD-669] Fix a comment.
* [NOD-488] Make getBlueBlocksBetween return error if start hash is not in the selected parent chain of stop hash
* [NOD-488] Convert for to while style
* [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.