bump in prep for release

Merge pull request #406 from splunk/risk_from_str_to_int

Risk from str to int

Merge pull request #392 from splunk/attack_data_cache_2

Enable Attack Data Download before Test

Merge pull request #403 from splunk/new_error_printout_generic_case

New error printout generic case

Merge pull request #387 from splunk/feature/risk-model-validation

Adding risk data model validation to integration testing

Merge pull request #400 from splunk/version_bumping_check_change

New type of version bumping error

Merge pull request #398 from splunk/fix_runtime_csv_testing_error

Fix runtime csv testing error

Merge pull request #355 from splunk/d_assistant_take_2

D assistant take 2

Merge pull request #384 from splunk/version_5.1.1

Ctl version to 5.2.0

back to 5.1.0 should not have bumped