* I added commands to shape the conversation:
`/rethink <text>` will change the internal dialog of the last assistant message.
`/rewrite <text>` will change the last answer of the assistant.
Both commands can be used to change how the conversation continues in
some pretty drastic and powerfull ways.
* remove magic numbers
* add disclaimer
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Co-authored-by: cpacker <packercharles@gmail.com>