Merge branch 'hotfix/fix_classifier' into develop
Added new dispatcher exception.
This exception is meant for custom error handling in the dispatcher method.
Also added a test for the new exception.
Flake8 fix, Docstring fix, code beautified
Added test for test manager and new dispatch exception.
Merge pull request #22 from julianhille/feature/dispatch_exception

Added new dispatcher exception.
add custom exception, so version is updated
Merge branch 'release/1.7.0'