Release checklist

[stannam]

Just a short checklist before releasing a version!

• Update the VERSION variable in constant.py. The Help button relies on this variable to decide which readthedocs page to load!
  VERSION should be a tuple of (major, minor, patch). For example, VERSION = (1,0,0) for version 1.0.0. Make sure it matches the release tag on GitHub.
• Freeze by running pyinstaller slapp.spec. If the command does not work, try pip install -r requirements_freeze.txt first.
• (MacOS only) After the freeze, convert SLPAA.app into a disk image (SLPAA.dmg). build_dmg.sh is a shell script designed for this, but it is not optimal.

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