Pcloud

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- Fix error while using makedirs from PyFilesystem
https://github.com/tomgross/pcloud/issues/10
[blasterspike]

- Test and claim Python 3.7 compatibility
[tomgross]

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- Fix error with duplicate files parameter 3
[tomgross]

- Fix upload of data
[tomgross]

- Do flake8 checks
[tomgross]

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- Test API with py.test
[tomgross]

- Support for PyFileSystem
[tomgross]

- Support for file operations
[tomgross]

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- Rename to pcloud
[tomgross]

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- Initial release.
[tomgross]