v1.2.0

• Ability to specify timeouts via --dns-timeout and --tcp-timeout.
• Ability to specify a custom DNS server with --dns / --dns-tcp, built in with DC discovery logic when needed.
• Updated go-adws library with needed functions for the features above.
• PFX decoding delegated to adauth.
• Updated README to clarify usage.

Full Changelog: v1.1.0...v1.2.0