* Use error codes for failed scans
* Fix indentations
* Fix more indentation
* Continue after failed download
* Add tests for failed scans
* Add more tests
* move definition
* Update nessus.py
This function was used by function `print_scans` which at the same time was an unused one that had been deleted in the PR itself.
* Fix closing logging handlers
* Fix *some* unicode issues for nessus and qualys
* Prevent multiple requests to nessus scans endpoint
* More unicode fixes
* Remove unnecessary call
* Fix whitespace
* Add mock module and argument
* Add test config and data
* Fix whitespace again
* Disable qualys_web until data is available
* Use logging module
* Delete report_tracker.db
* Cleanup mock calls
* Add httpretty to requirements
* Refactor into a class
* Updates travis tests
* Fix exit codes
* Remove print statements
* Remove test
* Add test directory as submodule
