* Adding some testdata for RPC tracing
* Adding command line option to allow switching trace export format
* Moved types into a separate file for clarity
* Added endpoints and stub functions for other trace routines
* Added experimental end points for issuance, blockReward, and uncleReward
* Moved supporting functions for filtering to _filtering file
* Moved Filter function to _filtering file
* Reordering functions for clarity
* Cleaning up
* Implemented trace_get - 7 of 8 tests pass
* Implemented trace_transaction - 2 of 8 tests pass
* Updating test cases
* Turning off lint temporarily. Will be turned back on
* Extended trace_filter (parity traces, reward traces) - 10 of 13 tests pass
* Implemented trace_block - 4 of 6 tests passed
* Cleanup test cases
* Added refundAddress and selfDestructedAddress to self destruct traces
* Total hack fix to missing gasUsed in some tests. Fixes tests, needs to be replaced