v1.2.0

Changes:

• Refactors iam__enum_permissions and iam__privesc_scan to use Policy Universe (https://github.com/Netflix-Skunkworks/policyuniverse)
• Bump the minimum Python version to 3.7

This should make policy parsing more accurate and allow the use of policy universe in other modules.

What's Changed

• Enhancement/use policy universe for iam enum by @DaveYesland in #344

Full Changelog: v1.1.6...v1.2.0