diff --git a/.gitignore b/.gitignore
index 8c5e250..41530c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,6 @@
-.history
+.DS_Store
+.history/
+.vscode/
 coverage/
+node_modules/
+npm-debug.log
diff --git a/lib/History.md b/lib/History.md
new file mode 100644
index 0000000..7e03827
--- /dev/null
+++ b/lib/History.md
@@ -0,0 +1,5 @@
+# Changelog for JAUL
+
+1.0.0
+=====
+* Initial release.
diff --git a/lib/io.js b/lib/io.js
index fb3b114..b4a69a4 100644
--- a/lib/io.js
+++ b/lib/io.js
@@ -62,22 +62,19 @@ class IOUtils {
         if (fs.existsSync(path.resolve(target))) {
             return;
         }
-        var callback = function (p) {
+        var callback = function(p) {
             p = path.resolve(p);
             try {
                 fs.mkdirSync(p);
-            }
-            catch (ex) {
+            } catch (ex) {
                 if (ex.code === "ENOENT") {
                     callback(path.dirname(p));
                     callback(p);
-                }
-                else {
+                } else {
                     let stat;
                     try {
                         stat = fs.statSync(p);
-                    }
-                    catch (ex1) {
+                    } catch (ex1) {
                         ex1.friendlyMessage = `Can't create directory: ${p}`;
                         throw ex1;
                     }
@@ -96,7 +93,7 @@ class IOUtils {
      * @returns A promise with a setTimeout for the specified milliseconds.
      */
     static sleep(ms) {
-        return new Promise(function (resolve) {
+        return new Promise(function(resolve) {
             return setTimeout(resolve, ms);
         });
     }
diff --git a/package.json b/package.json
index 9908c4a..9add073 100755
--- a/package.json
+++ b/package.json
@@ -29,7 +29,6 @@
     },
     "devDependencies": {
         "@types/node": "^11.11.4",
-        "async_hooks": "^1.0.0",
         "chai": "^4.2.0",
         "coveralls": "^3.0.3",
         "express": "^4.16.4",