0.4.2

🐛 Bug Fix

• Inform also under what dataset path we cannot find a url for a key #97 (@yarikoptic)
• Retry HTTP 5xx errors #96 (@jwodder)

🧪 Tests

• Basic type-checking #95 (@jwodder)

Authors: 2

• John T. Wodder II (@jwodder)
• Yaroslav Halchenko (@yarikoptic)