Amodbus

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* Solve multiple incomming frames. (1107)
* Up coverage, tests are 100%. (1098)
* Prepare for rc1. (1097)
* Prepare 3.0.0dev5 (1095)
* Adapt serial tests. (1094)
* Allow windows. (1093)
* Remove server sync code and combine with async code. (1092)
* Solve test of tls by adding certificates and remove bugs (1080)
* Simplify server implementation. (1071)
* Do not filter using unit id in the received response (1076)
* Hex values for repl arguments (1075)
* All parameters in class parameter. (1070)
* Add len parameter to decode_bits. (1062)
* New combined test for all types of clients. (1061)
* Dev mixin client (1056)
* Add/update client documentation, including docstrings etc. (1055)
* Add unit to arguments (1041)
* Add timeout to all pytest. (1037)
* Simplify client parent classes. (1018)
* Clean copyright statements, to ensure we follow FOSS rules. (1014)
* Rectify sync/async client parameters. (1013)
* Clean client directory structure for async. (1010)
* Remove async_io, simplify AsyncModbus<x>Client. (1009)
* remove init_<something>_client(). (1008)
* Remove async factory. (1001)
* Remove loop parameter from client/server (999)
* add example async client. (997)
* Change async ModbusSerialClient to framer= from method=. (994)
* Add forwarder example with multiple slaves. (992)
* Remove async get_factory. (990)
* Remove unused ModbusAccessControl. (989)
* Solve problem with remote datastore. (988)
* Remove unused schedulers. (976)
* Remove twisted (972)
* Remove/Update tornado/twister tests. (971)
* remove easy_install and ez_setup (964)
* Fix mask write register (961)
* Activate pytest-asyncio. (949)
* Changed default framer for serial to be ModbusRtuFramer. (948)
* Remove tornado. (935)
* Pylint, check method parameter documentation. (909)
* Add get_response_pdu_size to mask read/write. (922)
* Minimum python version is 3.8. (921)
* Ensure make doc fails on warnings and/or errors. (920)
* Remove central makefile. (916)
* Re-organize examples (914)
* Documentation cleanup and clarification (689)
* Update doc for repl. (910)
* Include package and tests in coverage measurement (912)
* Use response byte length if available (880)
* better fix for rtu incomplete frames (511)
* Remove twisted/tornado from doc. (904)
* Update classifiers for pypi. (907)
* Documentation updates
* PEP8 compatibale code
* More tooling and CI updates
* Remove python2 compatibility code (564)
* Remove Python2 checks and Python2 code snippets
* Misc co-routines related fixes
* Fix CI for python3 and remove PyPI from CI
* Fix mask_write_register call. (685)
* Add support for byte strings in the device information fields (693)
* Catch socket going away. (722)
* Misc typo errors (718)
* Support python3.10
* Implement asyncio ModbusSerialServer
* ModbusTLS updates (tls handshake, default framer)
* Support broadcast messages with asyncio client
* Fix for lazy loading serial module with asyncio clients.
* Updated examples and tests
* Support python3.7 and above
* Support creating asyncio clients from with in coroutines.

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* Fix retries on tcp client failing randomly.
* Fix Asyncio client timeout arg not being used.
* Treat exception codes as valid responses
* Fix examples (modbus_payload)
* Add missing identity argument to async ModbusSerialServer

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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.