Update README.md

Author: Dave Goodchild

README.md

@@ -42,36 +42,36 @@ use Gyron\Net2Web\Session;
  */
 class AccessApiFactory {
 
-	/**
-	 * @var string
-	 */
-	private $sCachePath;
+    /**
+     * @var string
+     */
+    private $sCachePath;
 
-	/**
-	 * @param string $sCachePath
-	 */
-	public function __construct( string $sCachePath ) {
-		$this->sCachePath = $sCachePath;
-	}
+    /**
+     * @param string $sCachePath
+     */
+    public function __construct( string $sCachePath ) {
+        $this->sCachePath = $sCachePath;
+    }
 
-	/**
-	 * @param array $aConfig requires user_id, password, ip and port
-	 * @return Client
-	 * @throws \Exception
-	 */
-	public function forConfig( array $aConfig ) {
-		$sCacheFile = sprintf( '%s/net2web_session.sid', rtrim( $this->sCachePath, '/' ) );
+    /**
+     * @param array $aConfig requires user_id, password, ip and port
+     * @return Client
+     * @throws \Exception
+     */
+    public function forConfig( array $aConfig ) {
+        $sCacheFile = sprintf( '%s/net2web_session.sid', rtrim( $this->sCachePath, '/' ) );
 
-		$sSessionId = null;
-		if ( is_file( $sCacheFile ) ) {
-			$sSessionId = trim( file_get_contents( $sCacheFile ) );
-		}
+        $sSessionId = null;
+        if ( is_file( $sCacheFile ) ) {
+            $sSessionId = trim( file_get_contents( $sCacheFile ) );
+        }
 
-		$oNet2Session = new Session( $aConfig['user_id'], $aConfig['password'], $aConfig['ip'], (string)$aConfig['port'], $sSessionId );
-		if ( $sSessionId != $oNet2Session->getSessionId() ) {
-			file_put_contents( $sCacheFile, trim( $oNet2Session->getSessionId() ) );
-		}
-		return ( new Client( oNet2Session ) );
-	}
+        $oNet2Session = new Session( $aConfig['user_id'], $aConfig['password'], $aConfig['ip'], (string)$aConfig['port'], $sSessionId );
+        if ( $sSessionId != $oNet2Session->getSessionId() ) {
+            file_put_contents( $sCacheFile, trim( $oNet2Session->getSessionId() ) );
+        }
+        return ( new Client( oNet2Session ) );
+    }
 }
 ```