Prepare 0.4.1

[Hoverbear]

This release includes some minor performance and UX improvements.

Release notes

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0.4.1

Upgrading

Please make sure to run cargo install cargo-pgx --version 0.4.1 and update all the pgx extension Cargo.toml's pgx* versions to 0.4.1.

What's Changed

• Internal::get_or_insert_default, and similar functions were doing some unnecessary allocations. Removing them improves the speed of these functions significantly. (Improve Internal perf #488)
• We now #[inline(always)] on pgx::Aggregate's memory context swapping code. (Improve Aggregate performance #487)
• cargo pgx status will by default show the status of all pgx managed PostgreSQLs, instead of the default if one exists in the Cargo.toml. (cargo pgx status always defaults to all #505)
• cargo pgx schema was producing color codes outside of the normal xterm-256color codes, this produced unpleasant output on some terminals (notably Mac's terminal.app). When the output of cargo pgx schema is a TTY it will now produce xterm-256color style codes, and use the user's terminal colors. This removes the need to specify if the user was using a light theme. (cargo pgx schema uses XTERM colors #507)
• If cargo pgx test experiences a cargo related error, we don't report a full eyre error, we just report the cargo errors. (Cleanly error on cargo pgx test build failure #491)
• Documentation fixes. (README minor fixes #496)