- Refactoring:
* **StringIO no more required**. Now, the metrics take a **string as input**.
* num_import_playbook -> num_imported_playbooks and NumImportPlaybook -> NumImportedPlaybooks
* num_import_role -> num_imported_roles and NumImportRole -> NumImportedRoles
* num_import_tasks -> num_imported_tasks and NumImportTasks -> NumImportedTasks
* num_include -> num_includes and NumInclude -> NumImportedRoles
* num_include_role -> num_included_roles and NumIncludeRole -> NumIncludedRoles
* num_include_tasks -> num_included_tasks and NumIncludeTasks -> NumIncludedTasks
* num_include_vars -> num_included_vars and NumIncludeVars -> NumIncludedVars