Lazy ETL

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> For now this is work in progress <

Not working on master at the moment.
For a working POC version, see branch first_implementation

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Extract Transform Load

At this time virtual env is only used for the editor.

To run:

python etl

To run specifying the job xml:

python etl simple.xml

To run tests:

python tests

The simple.xml example has 4 steps:

1. Print "Hello World"
2. Ask for a name (user input)
3. Change the inserted name to upper case
4. Print the message with insert name in upper case

Execution:

$ python etl
Hello World
Insert a name: test
The inserted name in upper case is: TEST