tower-lsp 0.3.0

Added

• Add support for decoding the optional Content-Type field in messages.
• Implement support for the following client-to-server messages:
  • workspace/didChangeWorkspaceFolders
  • workspace/didChangeConfiguration
  • workspace/didChangeWatchedFiles
  • workspace/symbol
  • workspace/executeCommand
• Implement support for the following server-to-client messages:
  • telemetry/event
  • client/registerCapability
  • client/unregisterCapability
  • workspace/applyEdit

Changed

• Bump minimum Rust version to 1.34.0.
• Rename highlight() to document_highlight() to better match the specification.
• Make all notification methods into provided methods (PR #34).
• Change LspService request type from String to Incoming (PR #28).
• Update Server to spawn services with Incoming request type.
• Use env_logger to print log messages in examples.