* Fix PrefixDB Iterator
* PrefixDB Iterator/ReverseIterator fixes
* Bump version 0.8.2
* Update CHANGELOG.md about DebugDB
* Keep invalid source to be closed
* Use prefixBatch instead of memBatch
* Reformated the ResultStatus
* fix misuse of ResultStatus.
* updated changelog
* Fixed tests
* fixed rpc helper tests
* fixed rpc_tests
* fixed mock/status_test
* fixed typo
* fixed ommitempty on validatorstatus and the changelog
* fixed extra line in changelog
* Updated usage of the /status json response in tests after breaking changes
* Updated remaining tests with changes after searching the codebase for usage
* Reformated the ResultStatus
* fix misuse of ResultStatus.
* updated changelog
* Fixed tests
* fixed rpc helper tests
* fixed rpc_tests
* fixed mock/status_test
* fixed typo
* fixed ommitempty on validatorstatus and the changelog
* Updated usage of the /status json response in tests after breaking changes
* Updated remaining tests with changes after searching the codebase for usage
* rebased against develop
* [pubsub] fix unsubscribing
by giving it the same exact query, which was used to subscribe
Refs https://github.com/tendermint/tendermint/issues/1368
* use original query to unsubscribe
Refs #1368
* modify the unit test the issue is fixed