v0.7.40

[alexrp]

• Renamed the project from System.Terminal to Cathode.
• Relicensed from ISC to 0BSD.
• Improvements and refactoring to I/O APIs.
  • Stream, TextReader, and TextWriter instances exposed by the library are now fully synchronized.
  • TextReader/TextWriter properties on TerminalReader/TerminalWriter are now abstract.
• Improvements to child process APIs.
  • Overhauled the APIs and moved them to the Cathode.Processes namespace.
  • Renamed TerminalProcess to ChildProcess (ditto for related types).
  • Added clean integration with async/await and cancellation.
  • Changed a number of options to have more intuitive defaults.
  • Added background buffering of process output with an optional buffer size limit.
  • Removed the SendSignal method as it cannot be implemented sanely on Windows at the moment.
  • Removed support for inspecting running processes and enumerating threads, modules, etc.
• Improvements to control sequence construction.
  • Added support for rapid blink.
  • Added support for underline colors and styles.
  • Renamed bold decoration to intense.
• Various platform-specific driver improvements.
  • Added upfront cancellation checks in TerminalReader implementations.
  • Switched to SemaphoreSlim for locking so that cancellation causes a lock acquisition to be canceled.
  • Windows console code page is now changed/restored alongside console modes.
  • Throw PlatformNotSupportedException when a signal cannot be generated.
• Updates to Cathode.Extensions functionality.
  • Fixed UseColors property on TerminalLoggerOptions being false by default.