Changed observer module from local to remote in Python Client

[SGMPAndre]

Changes

• The observe.py module in the Python Client now calls the REST API for it's functionalities

Type of change

• Changed the observe.py file, the wait and start_observing_pipe methods still exists.

• Bug fix (non-breaking change which fixes an issue)

• New feature (non-breaking change which adds functionality)

• Breaking change (fix or feature that would cause existing functionality to not work as expected)

• This change requires a documentation update

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings