allowing int type for the 'command.timeout' driver option; with float normalizer,

README: minimal configuration is described

Author: itnelo

README.md

@@ -32,7 +32,27 @@ $ composer require itnelo/reactphp-webdriver:0.x@dev
 
 ## How to use
 
-Call a factory method to get your instance (recommended):
+Call a factory method to get your instance (recommended). The minimal configuration is:
+
+```php
+use React\EventLoop\Factory as LoopFactory;
+use Itnelo\React\WebDriver\WebDriverFactory;
+
+$loop = LoopFactory::create();
+
+$webDriver = WebDriverFactory::create(
+    $loop,
+    [
+        'hub' => [
+            'host' => 'selenium-hub',
+            'port' => 4444,
+        ],
+    ]
+);
+```
+
+You can customize a set of parameters for the underlying [ReactPHP Browser](https://github.com/reactphp/http#browser)
+and tune driver options:
 
 ```php
 use React\EventLoop\Factory as LoopFactory;
@@ -45,7 +65,7 @@ $webDriver = WebDriverFactory::create(
     [
         'browser' => [
             'tcp' => [
-                'bindto' => '192.168.56.10:0',
+                'bindto' => '192.169.56.10:0',
             ],
             'tls' => [
                 'verify_peer' => false,
@@ -63,7 +83,7 @@ $webDriver = WebDriverFactory::create(
 );
 ```
 
-Manual configuration (if you want to configure each component as a separate service, e.g. compiling a DI container
+Manual configuration (if you prefer to configure each component as a separate service, e.g. compiling a DI container
 and want to reuse existing service definitions):
 
 ```php
@@ -80,7 +100,7 @@ $socketConnector = new SocketConnector(
     $loop,
     [
         'tcp' => [
-            'bindto' => '192.168.56.10:0',
+            'bindto' => '192.169.56.10:0',
         ],
         'tls' => [
             'verify_peer' => false,

src/WebDriverFactory.php

@@ -21,6 +21,7 @@
 use React\Http\Browser;
 use React\Socket\Connector as SocketConnector;
 use Symfony\Component\OptionsResolver\Exception\ExceptionInterface as ConfigurationExceptionInterface;
+use Symfony\Component\OptionsResolver\Options;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
@@ -41,7 +42,7 @@ final class WebDriverFactory
      *     [
      *         'browser' => [
      *             'tcp' => [
-     *                 'bindto' => '192.168.56.10:0',
+     *                 'bindto' => '192.169.56.10:0',
      *             ],
      *             'tls' => [
      *                 'verify_peer' => false,
@@ -108,8 +109,16 @@ function (OptionsResolver $commandOptionsResolver) {
                             'Maximum time to wait (in seconds) for command execution '
                             . '(do not correlate with HTTP timeouts)'
                         )
-                        ->allowedTypes('float')
+                        ->allowedTypes('int', 'float')
                         ->default(30.0)
+                        ->normalize(
+                            function (Options $options, $commandTimeout) {
+                                $commandTimeoutNormalized = (float) $commandTimeout;
+                                $commandTimeoutNormalized = max(0.1, $commandTimeoutNormalized);
+
+                                return $commandTimeoutNormalized;
+                            }
+                        )
                     ;
                 }
             )