Prepare for 1.4.0

[dhoomakethu]

Following issues would be covered and will be updated on need basis
This would cover as an Epic to cover all open tasks pending with PyModbus. Please do not close this issue . All new Issues to be mentioned/referenced here.

• Fix examples Fix examples  #190

• Fix Serial + Async + RTU: Callback is never fired #160 --> Will be handled with 2.0.0. release

• Fix Registers in Database DataStore cant be read from remote client #139

• Fix Thread Test #135

• Check Fast single threaded non-blocking serial RTU client using Tornado (async) #108

• Fix examples/contrib/message-parser.py broken after v1.1.0 #107

• Fix Can not excute the example frontend.py #94

• ~~Fix Bad packet creation #98 ~~ --> Will be handled with 2.0.0. release

• Check Wrong data by Reassembled TCP Segments #114

• Check Losing connection to multiple clients when calling loseConnection #93 --> Will be handled with 2.0.0. release

• Check Stop async Server #84

• Check Slave ID for request not verified when accepting response #60

• Check Very slow performance #237

• Check Endianness of registers when decoding #138 --> Will be handled with 2.0.0. release

• Check and Merge PR Move twisted requirement to extra #227

• Check and Merge PR Async serial using schedulers #226

• Check and Merge PR fix expected response length for ModbusTCP. #224

• Check and Merge PR #210 gitattributes to exclude files from release #223

• Check and Merge PR Fix for hang when using serial comms #203

• Check and Merge PR Not restore alfer line fault (dev 1.3.2) #188 --> Will be handled with 2.0.0. release

• Check and Merge PR Python3 #187

[tryer3000]

I'd like to know when will 1.4.0 be released.

[dhoomakethu]

@tryer3000 No definite timeline is available as of now.

[dhoomakethu]

@tryer3000 There is a new version available on PyPI just in case somebody wants to give a try
pip install pymodbus==1.4.0rc2