Update readme, version bump

Author: gridbugs

README.md

@@ -2,7 +2,10 @@
 
 # Combinatorial Audia Workspace (CAW)
 
+[![Version](https://img.shields.io/crates/v/caw.svg)](https://crates.io/crates/caw)
+[![Documentation](https://docs.rs/caw/badge.svg)](https://docs.rs/caw)
 [![test](https://github.com/gridbugs/caw/actions/workflows/test.yml/badge.svg)](https://github.com/gridbugs/caw/actions/workflows/test.yml)
+[![dependency status](https://deps.rs/repo/github/gridbugs/caw/status.svg)](https://deps.rs/repo/github/gridbugs/caw)
 
 CAW is a framework for building synthesizers as Rust programs.
 

caw/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "caw"
-version = "0.4.0"
+version = "0.4.1"
 description = "A framework for building software-defined modular synthesizers"
 authors = ["Stephen Sherratt <[email protected]>"]
 license = "MIT"