diff --git a/karma.conf.js b/karma.conf.js
index 2f47399..3370daf 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -21,7 +21,8 @@ module.exports = function (config)
             'test/resources.js',
             'test/snippets.js',
             'test/sources.js',
-            'test/settings.js'
+            'test/settings.js',
+            'test/eruda.js'
         ],
         plugins: [
             'karma-jasmine',
diff --git a/script/coverage.js b/script/coverage.js
index 1c9f391..075933e 100644
--- a/script/coverage.js
+++ b/script/coverage.js
@@ -9,7 +9,7 @@ var remappedJson = require('../coverage/coverage-remapped.json');
 
 var coverage = util.reduce(util.keys(remappedJson), function (result, source) 
 {
-    if (source.match(/src.*\.js$/) && source.indexOf('node_modules') < 0) 
+    if (isSrc()) 
     {
         var correctPath = source.replace(path.resolve(__dirname, '../src'), path.resolve(__dirname, '../'));
 
@@ -18,6 +18,13 @@ var coverage = util.reduce(util.keys(remappedJson), function (result, source)
         result[correctPath] = val;
     }
 
+    function isSrc(src) 
+    {
+        return source.match(/src.*\.js$/) && 
+               source.indexOf('node_modules') < 0 && 
+               source.indexOf('modernizr') < 0;
+    }
+
     return result;
 }, {});
 
diff --git a/script/webpack.dev.js b/script/webpack.dev.js
index c0c8180..6bb42c1 100644
--- a/script/webpack.dev.js
+++ b/script/webpack.dev.js
@@ -3,7 +3,7 @@ var webpack = require('webpack');
 exports = require('./webpack.base');
 
 exports.output.filename = 'eruda.js';
-exports.devtool = false;
+exports.devtool = 'source-map';
 exports.plugins = exports.plugins.concat([
     new webpack.DefinePlugin({
         ENV: '"development"',
diff --git a/src/DevTools/DevTools.js b/src/DevTools/DevTools.js
index a9ce673..42e921c 100644
--- a/src/DevTools/DevTools.js
+++ b/src/DevTools/DevTools.js
@@ -53,8 +53,8 @@ export default class DevTools extends util.Emitter
     }
     add(tool)
     {
-        let {init, show, hide} = new Tool();
-        util.defaults(tool, {init, show, hide});
+        let {init, show, hide, destroy} = new Tool();
+        util.defaults(tool, {init, show, hide, destroy});
 
         let name = tool.name;
         if (!name) return logger.error('You must specify a name for a tool');
diff --git a/src/index.js b/src/index.js
index 525af1e..279f578 100644
--- a/src/index.js
+++ b/src/index.js
@@ -16,12 +16,12 @@ import logger from './lib/logger'
 import extraUtil from './lib/extraUtil'
 
 module.exports = {
-    init({el, tool, autoScale = true} = {})
+    init({container, tool, autoScale = true} = {})
     {
         this._isInit = true;
         this._scale = 1;
 
-        this._initContainer(el);
+        this._initContainer(container);
         this._initStyle();
         this._initDevTools();
         this._initEntryBtn();
@@ -81,26 +81,28 @@ module.exports = {
     {
         this._devTools.destroy();
         delete this._devTools;
-        this.entryBtn.destroy();
-        delete this.entryBtn;
+        this._entryBtn.destroy();
+        delete this._entryBtn;
         this._unregisterListener();
         this._$el.remove();
         util.evalCss.clear();
     },
-    getScale() 
+    scale(s) 
     {
+        if (util.isNum(s)) 
+        {
+            this._scale = s;
+            emitter.emit(emitter.SCALE, s);
+            return this;
+        }
+
         return this._scale;
     },
-    setScale(scale) 
-    {
-        this._scale = scale;
-        emitter.emit(emitter.SCALE, scale);
-    },
     _autoScale() 
     {
         if (!util.isMobile()) return;
 
-        this.setScale(1 / util.viewportScale());
+        this.scale(1 / util.viewportScale());
     },
     _registerListener() 
     {
@@ -161,8 +163,8 @@ module.exports = {
     },
     _initEntryBtn()
     {
-        this.entryBtn = new EntryBtn(this._$el);
-        this.entryBtn.on('click', () => this._devTools.toggle());
+        this._entryBtn = new EntryBtn(this._$el);
+        this._entryBtn.on('click', () => this._devTools.toggle());
     },
     _initSettings()
     {
@@ -171,7 +173,7 @@ module.exports = {
 
         devTools.add(settings);
         
-        this.entryBtn.initCfg(settings);
+        this._entryBtn.initCfg(settings);
         devTools.initCfg(settings);
     },
     _initTools(tool = ['console', 'elements', 'network', 'resources', 'sources', 'info', 'snippets', 'features'])
diff --git a/test/index.html b/test/index.html
index 5c7a2f0..fb67fe1 100644
--- a/test/index.html
+++ b/test/index.html
@@ -11,6 +11,9 @@
 <header>ERUDA TEST PAGE</header>
 <nav id="test-list">
     <ul>
+        <li>
+            <a href="eruda.html">eruda</a>
+        </li>
         <li>
             <a href="console.html">console</a>
         </li>