0.7.0 release

[uogbuji]

Headline is major PG Vector enhancements & fixes, e.g.

• ogbujipt.embedding.pgvector.PGVectorHelper.insert_many not working #54
• The PGVector database search used with query_tags is not working #55
• Pgvector bigdata insert and search #57
• Using similarity threshold with PGVector #59
• PGVectorHelper methods non-reentrant. Use a connection pool. #60
• Implement PG connection pooling #61
• DB tweaks & concomitant test update #64 - Only remaining one to merge; pending review

Also:

• Where is the support for Functions?  #50
• Adding command line arguments for demo/chat_web_selects.py #56

CHANGELOG is updated.

[choccccy]

released to GitHub and sent to PyPI https://pypi.org/project/OgbujiPT/0.7.0/. still need to write up a blogpost real quick for the website

[uogbuji]

released to GitHub and sent to PyPI https://pypi.org/project/OgbujiPT/0.7.0/. still need to write up a blogpost real quick for the website

If you draft one I'll polish it up.

[uogbuji]

Just updating that the news item & blog entry are ready, pushed & scheduled to go live Monday. Think that's good enough to close this.