v0.22.0

What's Changed

• add rpc request replay by @canepat in #166
• rpcdaemon: add tests for ots_searchTransactionsBefore by @lupin012 in #164
• add tests for ots_searchTransactionsAfter by @lupin012 in #168
• add tests for ots_hasCode by @lupin012 in #170
• add tests for ots_getContractCreator by @lupin012 in #171
• add tests for ots_getTransactionError by @lupin012 in #172

Full Changelog: v0.21.0...v0.22.0