Nu Development Updates: Scripting Refactoring, Selector Improvements, and More

1st chunk of `blog/2020-11-13-twin0064.md`

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# This week in Nu #64

- jonathandturner did [some refactoring to help add support for scripting](https://github.com/nushell/nushell/pull/2737) (not complete yet), created a [side project for working on parsing and typechecking](https://github.com/jonathandturner/nunu/)
- fdncred improved [`selector` so that it can now chain](https://github.com/nushell/nushell/pull/2739), added [date support to `seq`](https://github.com/nushell/nushell/pull/2746), and optimized [Nu binary by size](https://github.com/nushell/nushell/pull/2747), updated [the git log tutorial](https://github.com/nushell/cookbook/pull/21)

Title: Nu Development Updates: Scripting Refactoring, Selector Improvements, and More

Summary

This week's Nu development update includes refactoring work by jonathandturner to add scripting support, along with a side project for parsing and typechecking. fdncred improved the 'selector' command with chaining, added date support to 'seq', optimized the Nu binary size, and updated the git log tutorial.