0.3.7 Alpha Release

[0.3.7] - 2020-04-14

Added

• IO operations demo and literal_eval operation.
• Python prompts >>> can now be enabled or disabled for easy copying of code into interactive sessions.
• Whitespace check now checks .rst and .md files too.
• GetMulti operation which gets all Inputs of a given definition
• Python usage example for LogisticRegression and its related tests.
• Support for async generator operations
• Example CLI commands and Python code for SLRModel
• save function in high level API to quickly save all given records to a
  source
• Ability to configure sources and models for HTTP API from command line when
  starting server
• Documentation page for command line usage of HTTP API
• Usage of HTTP API to the quickstart to use trained model

Changed

• Renamed "arg" to "plugin".
• CSV source sorts feature names within headers when saving
• Moved HTTP service testing code to HTTP service util.testing

Fixed

• Exporting plugins
• Issue parsing string values when using the dataflow run command and
  specifying extra inputs.

Removed

• Unused imports