Warpspeed

- Added MemoryDriver and DiskMemoryDriver.
- Refactored schema namespaces.
- Improvements and bug fixes.

Fixed dependency issue.

- Added WebScraperTool.
- Added GoogleSearchTool.
- Bug fixes and other improvements.

- Added retry logic to PromptDrivers
- Added a model field to PromptDrivers
- Fixed ErrorOutput value type.
- Bug fixes.

- Added GPT-4 support and improved tokenizers.
- Added support for directly extracting thought, action, and output in ToolSubsteps with regex.
- Added limit to BaseToolStep max substeps.
- Added args to Structure.run() referenceable through context.
- Workflow and Pipeline now have different contexts.
- Memory was completely redesigned to serialize PipelineRuns instead of individual steps.
- Improved ReAct prompt inputs and output parsing.
- Bug fixes and other improvements.

- Added SqlClientTool and AwsTool tools.
- Added support for custom tools.
- Integrated gpt-3.5-turbo.
- Added CommandRunner.
- Added better logging support to structures.
- Updated docs.

- Tweaked tool prompts, changed stop sequence to "Observation:" for ReAct prompting.
- Multiple bug fixes and improvements.