Fix slow deletion on windows

- The stdlib function `std::fs::remove_dir_all` is currently extremely
  slow for large directory trees on windows
- Replaced the std function with the crate `remove_dir_all` to fix this
- Bump version to `0.4.1`

Author: dnlmlr

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "cargo-clean-all"
-version = "0.4.0"
+version = "0.4.1"
 authors = ["Daniel M <danielm-github@dnml.de>"]
 license = "MIT"
 repository = "https://github.com/dnlmlr/cargo-clean-all"
@@ -17,3 +17,4 @@ bytefmt = "0.1.7"
 clap = { version = "3.1.2", features = ["derive"] }
 crossbeam-channel = "0.5.2"
 num_cpus = "1.13.1"
+remove_dir_all = "0.7.0"

Cargo.toml

@@ -66,4 +66,9 @@ cargo clean-all --threads [number of threads]
 | Keep target dirs with a last modified treshold | yes | no  |
 | Ask before cleaning                            | yes | no  |
 | Clean only `release`, `debug` or `docs`        | no (not yet)  | yes |
-| Speed (non scientific, cleaning my home dir)   | 15 sec | 24 sec |
+| Real `cargo clean` command under the hood      | no  | yes |
+
+Note that `cargo-clean-recursive` uses the actual `cargo clean` command under the hood instead of 
+simply deleting the target directories. This gives makes the cleaning work exactly as intended by 
+the installed version of cargo, which can certainly be desirable in some cases.
+

README.md

@@ -1,7 +1,6 @@
 use clap::Parser;
 use crossbeam_channel::Sender;
 use std::{
-    fs,
     io::{stdin, stdout, Write},
     path::{Path, PathBuf},
     time::SystemTime,
@@ -125,7 +124,7 @@ fn main() {
 
     projects
         .iter()
-        .for_each(|p| fs::remove_dir_all(&p.project_path.join("target")).unwrap());
+        .for_each(|p| remove_dir_all::remove_dir_all(&p.project_path.join("target")).unwrap());
 
     println!("Done!");
 }