SETL-0.4.1

Changes:

• Changed benchmark unit of time to seconds (#88)

Fixes:

• The master URL of SparkSession can now be overwritten in local environment (#74)
• FileConnector now lists path correctly for nested directories (#97)

New features:

• Added Mermaid diagram generation to Pipeline (#51)
• Added showDiagram() method to Pipeline that prints the Mermaid code and generates the live editor URL 🎩🐰✨ (#52)
• Added Codecov report and Scala API doc
• Added delete method in JDBCConnector (#82)
• Added drop method in DBConnector (#83)
• Added support for both of the following two Spark configuration styles in SETL builder (#86)

  setl.config {
    spark {
      spark.app.name = "my_app"
      spark.sql.shuffle.partitions = "1000"
    }
  }
  
  setl.config_2 {
    spark.app.name = "my_app"
    spark.sql.shuffle.partitions = "1000"
  }

Others:

• Improved test coverage