Merge install into master to fix the installation of ttkwidgets

[RedFantom]

This makes the command setup.py install include the folder structure, so the imports work correctly. If this is merged, I'd say it would be a good idea to publish version 0.6.1 on PyPI as a non-production ready package.

[codecov]

Codecov Report

Merging #10 into master will not change coverage.
The diff coverage is n/a.

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##           master      #10   +/-   ##
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  Coverage   92.85%   92.85%           
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  Files          42       42           
  Lines        2687     2687           
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  Hits         2495     2495           
  Misses        192      192

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[codecov]

Codecov Report

Merging #10 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #10   +/-   ##
=======================================
  Coverage   93.02%   93.02%           
=======================================
  Files          44       44           
  Lines        2825     2825           
=======================================
  Hits         2628     2628           
  Misses        197      197

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[j4321]

I have just noticed that in Linux, when there is the line include_package_data=True, the package_data is not included in the distribution archive while everything works fine if I remove this line. Does it work without it in Windows too?

Otherwise, I think it might be more consistent to include the sub-packages with
packages=["ttkwidgets", "ttkwidgets.frames", "ttkwidgets.font", "ttkwidgets.autocomplete", "ttkwidgets.color"], instead of including them in the package data.

Finally, I don't think that the MANIFEST.in file is needed anymore.

[RedFantom]

Yes, in that case I misunderstood what you wanted to do. You are right, your version of the setup call works perfect, on Windows too. It is a much neater solution as well!