Add colored output to most tools; Make mkoverlay more tolerant for missing overlay files; Make psxcdgen_ex emit a warning when no license file is specified

src/Tools/cpp_out/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cpp_out"
-version = "1.0.1"
+version = "1.0.2"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/Tools/cpp_out/src/main.rs

@@ -1,6 +1,7 @@
 use clap::{Parser};
-use std::path::PathBuf;
 use cpp_out::{Configuration, Error, FileType};
+use std::path::PathBuf;
+use tool_helper::exit_with_error;
 
 #[derive(Parser)]
 #[clap(about = "Output a file content or stdin to a c++ header/source file", long_about = None)]
@@ -48,8 +49,7 @@ fn main() {
     match run_main() {
         Ok(_) => (),
         Err(error) => {
-            eprintln!("{}", error);
-            std::process::exit(error.exit_code);
+            exit_with_error(error)
         }
     }
 }