Changing test to fit backend changes

Removing trace and checking for 0 denominator

Retrieving missing_tokens info from resource structures

Removing duplicated test step function

Increasing timeouts limits in tests to avoid faulse failures in asserts

Some typos and pep8 and pylint cleaning

Bug fixing: strings in tableau output and other improvements

- Improvements based on pylint analysis
- Formatting strings for tableau

Bug fixing: batch predictions getter was missing

Changing the wuery string to retrive Model

Updating version to 1.0.4 and updates docs with new summarize method …

…for ensembles