Update doc/MODULES with missing modules
Add repo_module to registry to customize source URL in factinfo command
CJeopardy improvements

- Reduce hint wait-period from 60 seconds to 30 seconds
- Improve ignoring of common leading words in answers
- Correct several grammar mistakes/typos in questions
Improve text search in c99std/c11std modules

Regular expression special characters are now escaped.
A trailing word-boundary is added to limit results to exact matches.
Update version