Windows binaries get a .exe extension

bin/index.js

@@ -123,6 +123,11 @@ function parsePackageJson() {
     let version = packageJson.version;
     if (version[0] === 'v') version = version.substr(1);  // strip the 'v' if necessary v0.0.1 => 0.0.1
 
+    // Binary name on Windows has .exe suffix
+    if (process.platform === "win32") {
+        binName += ".exe"
+    }
+
     // Interpolate variables in URL, if necessary
     url = url.replace(/{{arch}}/g, ARCH_MAPPING[process.arch]);
     url = url.replace(/{{platform}}/g, PLATFORM_MAPPING[process.platform]);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "go-npm",
-  "version": "0.1.5",
+  "version": "0.1.6",
   "description": "Distribute and install Go binaries via NPM",
   "main": "index.js",
   "bin": "index.js",