Chatdbg

What's Changed
* Added exit msgs by khlevin in https://github.com/plasma-umass/ChatDBG/pull/54
* fix to tool_call crash by stephenfreund in https://github.com/plasma-umass/ChatDBG/pull/55

**Full Changelog**: https://github.com/plasma-umass/ChatDBG/compare/v0.7.0...V0.7.1

What's Changed

ChatDBG is now safe by default and won't let GPT call possibly harmful debugger commands.
The `--unsafe` flag can be passed to allow any function call.

**Full Changelog**: https://github.com/plasma-umass/ChatDBG/compare/v0.6.4...v0.7.0

* Set the default model to gpt-4o.
* Expose the `--instructions` command line option to supply different instructions than the (possibly mode-specific) default.

**Full Changelog**: https://github.com/plasma-umass/ChatDBG/compare/v0.6.3...v0.6.4

**Full Changelog**: https://github.com/plasma-umass/ChatDBG/compare/v0.6.1...v0.6.3

* Minor fix over v0.6.
* Improved support for GDB.
* Consistent formatting and outputs across all debuggers.
* Upgrade minimum to Python 3.10 -- IPython requires >=3.10 by nicovank in https://github.com/plasma-umass/ChatDBG/pull/41

**Full Changelog**: https://github.com/plasma-umass/ChatDBG/compare/v0.5...v0.6.1

What's Changed

* Improved support for GDB.
* Consistent formatting and outputs across all debuggers.
* Upgrade minimum to Python 3.10 -- IPython requires >=3.10 by nicovank in https://github.com/plasma-umass/ChatDBG/pull/41

**Full Changelog**: https://github.com/plasma-umass/ChatDBG/compare/v0.5...v0.6