v0.1.7-BETA: Leaner API, intelligent date detection, remove eval

Changes:
- Add phantom.intelligence.dates.detect for auto format detection
- Remove phantom.dates.FORMAT and phantom.dates.UNIT enums
- Remove String.prototype extension (.phantom/.ps)
- Remove eval usage in resolveMap (security improvement)
- Remove help/autocomplete functions
- Streamline code structure with section markers
- Update wiki documentation

File size: 2072 lines (down from 2845)
Tests: 282 passing

Author: david-labs-ca