Release 1.6.1

Merge pull request MadLlama25#1 from pstuifzand/fetch-body

Fetch body values of emails

Update documentation with final test results

- Document 95% success rate from comprehensive testing
- Add root cause analysis for calendar/contacts limitations
- Update README with most popular tools and troubleshooting
- Include final assessment and production readiness status
- Add testing tool guidance and setup help

Results: 32 total tools, 100% email functionality, enterprise-ready