2.1.0

2.1.0, 1 July 2020

• Azure storage blob support (@nclsmitchell and @petedannemann)
• Correctly pass newline parameter to built-in open function (PR #478, @burkovae)
• Ensure GCS objects always have a .name attribute (PR #506, @todor-markov)
• Use exception chaining to convey the original cause of the exception (PR #508, @cool-RR)