Merge pull request #225 from vladimir-v-diaz/develop

Santiago's #224 pull request (with minor edit) and cosmetic edits to miscellaneous modules
Update METADATA.md
Update METADATA.md
Update README.md
Update README.md
Update README.md
Add self-signed certificates to be used by simple_https_server.py
Add the simple https server module.
Add test case for https connection.