CHANGES.txt

v0.3.0  02.04.2021 -- Use Python 3.6 syntax (require Python 3.6 or later), set an empty modules list during init, return bool from connect method, make all class attributes immutable.
v0.2.5  09.10.2020 -- Replaces deprecated visa import to pyvisa.
v0.2.4  22.08.2020 -- Fixes an error when assigning gasflow (AUX) and heater (HTR) modules to a control loop.
v0.2.3  21.07.2020 -- Fixed a possible issue when parsing alarms, set connection to None if not connected, improved thread safety when connecting to or disconnecting from device.
v0.2.2  04.12.2019 -- Remember PyVisa connection settings passed to constructor between disconnects. Improved thread safety.
v0.2.1, 30.04.2019 -- Moved controls for LOOP module to TEMP module.
v0.2.0, 09.02.2019 -- Use pyvisa as communication protocol, added support for LOOP module, singleton behaviour when instantiating the device (all credit goes to Sam Schott for this release)
v0.1.0, 18.03.2014 -- Initial release.