Release 2.0.1

See merge request !110

- /pyotb/__init__.py
- /RELEASE_NOTES.txt

Fix for ignored uint8 pixel_type in write()

Closes #123

See merge request !109

Update release notes

Closes #109

See merge request !103

Catchy README

See merge request !107

Add doc (features, interaction, ...)

See merge request !105

Add sumarize() documentation

See merge request !104

Update comments and docstrings (add Raises)

Closes #121 and #97

See merge request !101