0.3.0

• Improve installation documentation
• Mitigate 400 Bad Request responses when receiving GET requests with
  empty HTTP request bodies but still setting Content-Type: application/json (#10).
  Thanks for the report, @byteptr and @MichielKE!
• Improve installation instructions for Windows. Thanks, @MichielKE!
• Improve documentation
• Initialize Flask logger appropriately
• Add capability for request/response logging
• Format the code with black and isort
• Rename util.py to core.py
• Mitigate pandas deprecation warning about the astype() method of datetimelike
  types to convert to integer dtypes

Full Changelog: 0.2.0...0.3.0