v1.6.0 - Add role chaining support

Overview

Two major changes:

1. Add role chaining support for roles which can not be assumed directly via AWS SSO
2. Fix a stupid bug where the parsing/generation code for AWS Role ARNs was missing a colon. Will now properly parse ARNs passed to the -a flag

What's Changed

• add LogLevel to setup by @synfinatic in #185
• Add setup --default-level and fix --level error by @synfinatic in #186
• remove bogus warning under windows/wincred by @synfinatic in #187
• Remove eval and fix exec on Windows by @synfinatic in #190
• fix build error by @synfinatic in #191
• Role chaining by @synfinatic in #193
• fix role chaining session name by @synfinatic in #196
• Add cache versioning support by @synfinatic in #197
• release v1.6.0 by @synfinatic in #198

Full Changelog: v1.5.1...v1.6.0