0.5.2 (30/3/2021)
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* Update package dependency constraints
0.5.1 (16/1/2021)
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* Lock Posix serial port for exclusive access
* Simplify internal usage of serial port handles under both Posix and Windows
* Add hWithSerial
* Minor updates to make future refactoring easier
0.5.0 (16/12/2020)
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* Derive Show and Read instances for SerialPortSettings, CommSpeed, StopBits, Parity, and FlowControl datatypes.
* Update minimum Cabal-version to 1.10
* Minor syntax changes
* Minor code cleanup
0.4.7 (28/08/2014)
================
* Open in non-blocking mode, immediately reverting to blocking to fix OS-X problem