formatting and readme changes

Author: rmliddle

README.md

@@ -2,7 +2,7 @@
 A Python-3  (CPython >= 3.5.0) Interpreter written in Rust :snake: :scream: :metal:.
 
 [![Build Status](https://travis-ci.org/RustPython/RustPython.svg?branch=master)](https://travis-ci.org/RustPython/RustPython)
-[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![License: MIT](https://img.shields.io/badge/License-MIT-green.svg)](https://opensource.org/licenses/MIT)
 
 # Usage
 
@@ -33,6 +33,7 @@ Or use the interactive shell:
 - `src`: using the other subcrates to bring rustpython to life.
 - `docs`: documentation (work in progress)
 - `py_code_object`: CPython bytecode to rustpython bytecode convertor (work in progress)
+- `wasm`: Binary crate and resources for WebAssembly build 
 - `tests`: integration test snippets
 
 # Contributing
@@ -67,7 +68,7 @@ $ cargo test --all
 
 ## Setup
 
-Using `rustup` add the compile target `wasm32-unknown-emscripten`. To do so you will need to have [rustup](https://rustup.rs/).
+Using `rustup` add the compile target `wasm32-unknown-emscripten`. To do so you will need to have [rustup](https://rustup.rs/) installed.
 
 ```bash
 rustup target add wasm32-unknown-emscripten

wasm/src/main.rs

@@ -1,10 +1,9 @@
 extern crate rustpython_parser;
 extern crate rustpython_vm;
 
-use rustpython_vm::pyobject::{PyResult};
+use rustpython_vm::compile;
+use rustpython_vm::pyobject::PyResult;
 use rustpython_vm::VirtualMachine;
-use rustpython_vm::{compile};
-
 
 fn main() {
     let mut vm = VirtualMachine::new();
@@ -20,7 +19,6 @@ fn _run_string(vm: &mut VirtualMachine, source: &str, source_path: Option<String
 }
 
 fn run_command(vm: &mut VirtualMachine, mut source: String) -> PyResult {
-
     // This works around https://github.com/RustPython/RustPython/issues/17
     source.push_str("\n");
     _run_string(vm, &source, None)