fix msgpack, added more fault logging to point-to-point checkout utility

Description

• Updated MsgPack to 1.0.1
• Fixed fault message handling for this version
• Added more fault logging to point-to-point checkout utility

What to focus on

• CoAP messages with custom types being sent and received correctly
• Correct fault handling/logging

Resources

Workaround for MsgPack bug: https://github.com/msgpack/msgpack-cli/issues/334

Issues

• Fixes #209