Change workflow indetation from space to tabs and add an initial exception handling interface
Setup make_infra to return a 'created' key inside the result dict
Fix indetations and setup create_database task to deal with the created key inside the result dict"
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Add dict_to_string method
Remove test exception
Change not vm return
Add 'created' key handling to start_workflow
Setup undo to work with new exceptions handling
Setup clone to work with the new exception handling logic
Fix delete bug
Fix class, reinsert undo
Change undo logic
Merge Exception handling into master