Nushell #72 Summary

# This week in Nu #72 - jonathandturner improved [some errors](https://github.com/nushell/nushell/pull/2839), improved [InputStream](https://github.com/nushell/nushell/pull/2847), fixed a [variable scope leak](https://github.com/nushell/nushell/pull/2849), added [shadowing](https://github.com/nushell/nushell/pull/2851), add support for [`source` during parsing](https://github.com/nushell/nushell/pull/2855), renamed [set/set-env to let/let-env](https://github.com/nushell/nushell/pull/2859), released [0.25.0](https://github.com/nushell/nushell/pull/2860), pinned [`syn` to avoid build breakage](https://github.com/nushell/nushell/pull/2868), removed [the line primitive](https://github.com/nushell/nushell/pull/2887), renamed [Path and Pattern](https://github.com/nushell/nushell/pull/2889), updated startup to [treat all startup lines as coming from the same source](https://github.com/nushell/nushell/pull/2890), and fixed [reading/writing of bigint/bigdecimal](https://github.com/nushell/nushell/pull/2893) - JosephTLyons fixed a [typo in the sorting error message](https://github.com/nushell/nushell/pull/2841) - LhKipp added the [ability to use a comment above the custom command as part of its description](https://github.com/nushell/nushell/pull/2846), improved [the precedence rules for `which`](https://github.com/nushell/nushell/pull/2885) - jinlow added [support for filesizes to `math median`](https://github.com/nushell/nushell/pull/2848) - baoyachi [reduced the number of dependencies](https://github.com/nushell/nushell/pull/2853), updated [shadow-rs](https://github.com/nushell/nushell/pull/2861) - stormasm [refactoring some function in nu-cli](https://github.com/nushell/nushell/pull/2854) - sousajf1 [updated some dependencies](https://github.com/nushell/nushell/pull/2857) - wycats [improved and documented the lexer](https://github.com/nushell/nushell/pull/2865) - TrevorAC99 [updated rust-embed](https://github.com/nushell/nushell/pull/2880) - fdncred created a new [VSCode plugin for Nushell!](https://github.com/nushell/vscode-nushell-lang)

This is a summary of the updates and improvements made to Nushell in week #72. Key changes include error fixes, InputStream improvements, variable scope leak fixes, shadowing implementation, `source` parsing support, renaming `set/set-env` to `let/let-env`, release of version 0.25.0, removal of the line primitive, renaming of Path and Pattern, startup updates, and fixes for reading/writing of bigint/bigdecimal. Other improvements include typo fixes, comment support for custom command descriptions, improved precedence for `which`, filesize support for `math median`, dependency reduction, lexer improvements, and a new VSCode plugin.