* [DEV-74] Implemented and written tests for utxoIterator.
* [DEV-74] Improved utxoIterator tests.
* [DEV-74] Implemented utxoCollection tests.
* [DEV-74] Implemented utxoDiff and its tests.
* [DEV-74] Implemented utxoSet.
* [DEV -74] Added tests for fullUTXOSet.
* [DEV-74] Added some tests for diffUTXOSet.
* [DEV-74] Wrote tests for diffUTXOSet iterator.
* [DEV-74] Added a negative test for diffUTXOSet.withDiff.
* [DEV-74] Wrote tests for addTx.
* [DEV-74] Wrote a toRemove test for addTx.
* [DEV-74] Changed blockNode.utxoDiff to be of type utxoDiff.
* [DEV-74] Removed superfluous whitespace.
* [DEV-74] Renamed confusing "previousHash" to "hash".
* [DEV-74] Fixed bad test and corrected failing test.
* [DEV-74] Moved confusing "negatives" test to be part of the general utxoCollection test.
* [DEV-74] Removed utxoDiff.inverted.
* [DEV-74] Renamed blockNode.utxoDiff to blockNode.diff.
* [DEV-74] Renamed diff to diffFrom for clarity's sake.
* [DEV-74] Converted the type of utxoCollection from map[daghash.Hash]map[uint32]*wire.TxOut to map[wire.OutPoint]*UtxoEntry.
* [DEV-74] Corrected test names in utxoCollection_test.
* [DEV-74] Removed superfluous utxoCollection iterator and moved utxoIterator into utxoset.go.
* [DEV-74] Renamed variables in utxoset.go.
* [DEV-74] Renamed verifyTx to areInputsInUTXO and removed a superfulous test.
* [DEV-74] Fixed bad test logic in TestDiffUTXOSet_addTx.
* [DEV-74] Added a few comments. Added reference-equals checks to clone functions.
* [DEV-74] Moved utxoCollection and utxoDiff into utxoset.go.
* [DEV-74] Wrote explanations for utxoCollection and utxoDiff tests.
* [DEV-74] Wrote explanations for all utxoSet tests besides addTx.
* [DEV-74] Wrote explanations for TestDiffUTXOSet_addTx.
* [DEV-74] Moved the documentation for utxoDiff into utxoset.go.
* [DEV-74] Wrote an explanation on utxoSet.
* [DEV-74] Moved diffChild next to diff, improved their comments, moved the explanations for diffFrom and withDiff to the appropriate methods, got rid of utxoIterator, and renamed areInputsInUTXO to containsInputs.
* [DEV-74] Replaced boring old-fashioned reference equality with special, fancy reference equality for maps, slices, and channels.
* [DEV-74] Wrote additional explanations for test cases.
* [DEV-62] add phantom constructs to blocknode
* [DEV-62] add phantom constructs to blocknode
* [DEV-72] write blues()
* [DEV-72] write blues()
* [DEV-72] write blues()
* [DEV-62] add comments to new phantom constructs in blocknode
* Fixed dbIndexConnectBlock. (#33)
* Fixed dbIndexConnectBlock.
* Removed redundant check in storeFilter.
* Created a new method to BlockHeader: IsGenesis.
* [DEV-71] Implement BlockHeap (#35)
* [DEV-71] Implemented BlockHeap.
* [DEV-71] Removed irrelevant comment.
* [DEV-71] Renamed variables in Pop() and split Less() to multiple lines.
* [DEV-72] write blues()
* [DEV-72] write blues()
* [DEV-72] write blues()
* [DEV-72] write blues tests
* [DEV-72] write blues tests
* [DEV-72] remove relevant past
* [DEV-72] write blues tests
* [DEV-72] write blues tests
* [DEV-72] write blues tests
* [DEV-72] write functions to order blockSet by hash and write blue tests
* [DEV-72] add secret mining and censorship attack tests
* [DEV-72] remove prints
* [DEV-72] remove K from dagconfig.Params
* [DEV-72] remove K from dagconfig.Params
* [DEV-72] change blueScore to uint64
* [DEV-72] block V was missing, so renamed w -> v, x -> w etc
* [DEV-72] use node.String instead of %v
* [DEV-72] block V was missing, so renamed w -> v, x -> w etc
* [DEV-72] add K to dagconfig.Params, and add expected reds to all phantom tests
* [DEV-72] set K=10 and add comments to phantom and phantom tests
* [DEV-72] fix formatting and add comments to TestPhantom
* [DEV-72] fix grammar
* [DEV-36] Fixed import.go.
* [DEV-65] Renamed BestState to State and GetSnapshot to GetCurrentState.
* [DEV-65] Implemented State and SelectedTip, updated dagState (the serializable version of State), and updated State creations.
* [DEV-65] Fixed references to GetCurrentState and fixed tests.
* [DEV-40] Created a new method AreEquals for comparing hash slices. Updated mining package to work with primitive DAG.
* [DEV-65] Renamed State to DAGState, corrected comments, created a new thread-safe method setDAGState, fixed broken references I missed.
* [DEV-65] Converted dagState (the object) to dbDAGState, and made it serialize/deserialize into/out of JSON.
* [DEV-65] Renamed Txns to Txs and fixed a couple of comments.
* [DEV-65] Renamed some more "Txns" and removed some dead code.
* [DEV-36] Fixed findcheckpoint.go.
* [DEV-36] Fixed indentation.
* [DEV-36] Fixed weird phrasing.
* [DEV-36] Fixed some more weird phrasing.
* [DEV-36] Removed haveBlocks variable from the function HaveBlocks.
* [DEV-65] Renamed BestState to State and GetSnapshot to GetCurrentState.
* [DEV-65] Implemented State and SelectedTip, updated dagState (the serializable version of State), and updated State creations.
* [DEV-65] Fixed references to GetCurrentState and fixed tests.
* [DEV-65] Renamed State to DAGState, corrected comments, created a new thread-safe method setDAGState, fixed broken references I missed.
* [DEV-65] Converted dagState (the object) to dbDAGState, and made it serialize/deserialize into/out of JSON.
* [DEV-65] Renamed Txns to Txs and fixed a couple of comments.
* [DEV-65] Renamed some more "Txns" and removed some dead code.
* [DEV-45] Updated the BlockDB files to contain blocks that could be deserialized.
* [DEV-45] Fixed TestHaveBlock (finally)
* [DEV-45] Fixed TestLocateInventory and everything that's reliant on chainview_test::chainedNodes.
* [DEV-45] Fixed TestChainViewNil.
* [DEV-45] Fixed TestNotifications.
* [DEV-45] Fixed ExampleBlockChain_ProcessBlock.
* [DEV-45] Fixed TestCheckBlockScripts.
* [DEV-45] Fixed TestCheckConnectBlockTemplate.
* [DEV-45] Renamed the BlockDBs to their original names.
* [DEV-45] Skipping TestFullBlocks for until we have implemented Phantom.
* [DEV-45] Deleted a couple of methods that are no longer used. (They were previously used for reorganization)
