Nu Shell Updates - This Week in Nu #55

# This week in Nu #55 - itn3000 added support for [multiple variables in `with-env`](https://github.com/nushell/nushell/pull/2526), added [tables for multiple variables in `with-env`](https://github.com/nushell/nushell/pull/2530) - thegedge fixed [path completions with `cd`](https://github.com/nushell/nushell/pull/2525), improved [completions for `~`](https://github.com/nushell/nushell/pull/2503), and additional [completion fixes](https://github.com/nushell/nushell/pull/2498) - gillespiecd cleaned up some of the [duration conversions](https://github.com/nushell/nushell/pull/2522), added [cpu time to `ps -l`](https://github.com/nushell/nushell/pull/2507), added [number of links column in `ls -l`](https://github.com/nushell/nushell/pull/2496) - fdncred [updated dependencies](https://github.com/nushell/nushell/pull/2517) and [removed unused dependences](https://github.com/nushell/nushell/pull/2520), added [weather symbols to `char`](https://github.com/nushell/nushell/pull/2502) - jonathandturner added support for [decimals as range boundaries](https://github.com/nushell/nushell/pull/2509), improved [range parsing](https://github.com/nushell/nushell/pull/2506), added [modulo operator and renamed `in` and `not-in`](https://github.com/nushell/nushell/pull/2505) - ritobanrc added [`each windows` and `each group`](https://github.com/nushell/nushell/pull/2508) for working with multiple rows at a time - defstryker improved [ranges for substrings](https://github.com/nushell/nushell/pull/2499) - almindor added support for [`exec`](https://github.com/nushell/nushell/pull/2495) - andrasio updated the [Spanish introduction chapter of the book](https://github.com/nushell/book/pull/131) and [Spanish installation instructions if the book](https://github.com/nushell/book/pull/130) - Jorn improved the [wasm demo error checking](https://github.com/nushell/demo/commit/3088ee0579dbbbd65ab33b7eafc86a5253a22573)

This week's updates to Nu Shell include contributions from multiple developers. Key changes include support for multiple variables in `with-env`, fixes and improvements to path completions, enhancements to duration conversions and `ls -l` output, dependency updates, added weather symbols to `char`, decimal support in ranges, a modulo operator, `each windows` and `each group` commands, improvements to substring ranges, `exec` support, Spanish book updates, and improved WASM demo error checking.