1.3.0

new

• Introduce a development docker image to speed up tool development

fixes

• Fix the broken 1.2.0 release by actually testing all of the features for python 3 compatibility (derp)
• Fix filename generation for messages with strange characters in the identifier
• Convert all pymqi return data to readable strings
• Various smaller output formatting fixes

other

• Use only f-strings internally
• Upgrade all dependencies