Updated documentation
Updated and fixed tests
Added github workflows as system
Introduced formatting rules and pre-commit to enforce them
Removed dockerfile creation files
v0.4.0, 2018-02-XX -- Switched to Python 3: finally compatible with modern development environements
Switched to simple itk for image loading/saving: read dicom series, more formats, less dependencies, cleaner code, easier to maintain
Documentation: installation instructions for Windows and OsX
Others: improved filters, cleanup, bugfixes
v0.3.0, 2017-09-20 -- Extensive cleanup, many new functionalities, updated documentation, notebook tutorials, Python 3 branch