Update crate tagline to highlight that it works

Author: TheBlueMatt

lightning/Cargo.toml

@@ -5,9 +5,8 @@ authors = ["Matt Corallo"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/lightningdevkit/rust-lightning/"
 description = """
-A Bitcoin Lightning library in Rust.
+A Complete Bitcoin Lightning library in Rust.
 Does most of the hard work, without implying a specific runtime, requiring clients implement basic network logic, chain interactions and disk storage.
-Still missing tons of error-handling. See GitHub issues for suggested projects if you want to contribute. Don't have to bother telling you not to use this for anything serious, because you'd have to build a client around it to even try.
 """
 edition = "2021"