Pymodbus

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* Add kwarg `reset_socket` to control closing of the socket on read failures (set to `True` by default).
* Add `--reset-socket/--no-reset-socket` to REPL client.

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* Bug fix TCP Repl server.
* Support multiple UID's with REPL server.
* Support serial for URL (sync serial client)
* Bug fix/enhancements, close socket connections only on empty or invalid response

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* Support response types `stray` and `empty` in repl server.
* Minor updates in asyncio server.
* Update reactive server to send stray response of given length.
* Transaction manager updates on retries for empty and invalid packets.
* Test fixes for asyncio client and transaction manager.
* Fix sync client and processing of incomplete frames with rtu framers
* Support synchronous diagnostic client (TCP)
* Server updates (REPL and async)
* Handle Memory leak in sync servers due to socketserver memory leak
* Minor fix in documentations
* Travis fix for Mac OSX
* Disable unnecessary deprecation warning while using async clients.
* Use Github actions for builds in favor of travis.
* Documentation updates
* Disable `strict` mode by default.
* Fix `ReportSlaveIdRequest` request
* Sparse datablock initialization updates.
* Support REPL for modbus server (only python3 and asyncio)
* Fix REPL client for write requests
* Fix examples
* Asyncio server
* Asynchronous server (with custom datablock)
* Fix version info for servers
* Fix and enhancements to Tornado clients (seril and tcp)
* Fix and enhancements to Asyncio client and server
* Update Install instructions
* Synchronous client retry on empty and error enhancments
* Add new modbus state `RETRYING`
* Support runtime response manipulations for Servers
* Bug fixes with logging module in servers
* Asyncio modbus serial server support

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* Support async moduls tls server/client
* Add local echo option
* Add exponential backoffs on retries.
* REPL - Support broadcasts.
* Fix framers using wrong unit address.
* Update documentation for serial_forwarder example
* Fix error with rtu client for `local_echo`
* Fix asyncio client not working with already running loop
* Fix passing serial arguments to async clients
* Support timeouts to break out of responspe await when server goes offline
* Misc updates and bugfixes.

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* Support Modbus TLS (client / server)
* Distribute license with source
* BinaryPayloadDecoder/Encoder now supports float16 on python3.6 and above
* Fix asyncio UDP client/server
* Minor cosmetic updates
* Asyncio Server implementation (Python 3.7 and above only)
* Bug fix for DiagnosticStatusResponse when odd sized response is received
* Remove Pycrypto from dependencies and include cryptodome instead
* Remove `SIX` requirement pinned to exact version.
* Minor bug-fixes in documentations.

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* Support Python 3.7
* Fix to task cancellations and CRC errors for async serial clients.
* Fix passing serial settings to asynchronous serial server.
* Fix `AttributeError` when setting `interCharTimeout` for serial clients.
* Provide an option to disable inter char timeouts with Modbus RTU.
* Add support to register custom requests in clients and server instances.
* Fix read timeout calculation in ModbusTCP.
* Fix SQLDbcontext always returning InvalidAddress error.
* Fix SQLDbcontext update failure
* Fix Binary payload example for endianess.
* Fix BinaryPayloadDecoder.to_coils and BinaryPayloadBuilder.fromCoils methods.
* Fix tornado async serial client `TypeError` while processing incoming packet.
* Fix erroneous CRC handling in Modbus RTU framer.
* Support broadcasting in Modbus Client and Servers (sync).
* Fix asyncio examples.
* Improved logging in Modbus Server .
* ReportSlaveIdRequest would fetch information from Device identity instead of hardcoded `Pymodbus`.
* Fix regression introduced in 2.2.0rc2 (Modbus sync client transaction failing)
* Minor update in factory.py, now server logs prints received request instead of only function code