minor fixes

Author: garak

src/Bowerphp/Package/PackageInterface.php

@@ -48,14 +48,14 @@ public function setRequiredVersion($version);
      * Returns a set of links to packages which need to be installed before
      * this package can be installed
      *
-     * @return array An array of package links defining required packages
+     * @return array|null An array of package links defining required packages
      */
     public function getRequires();
 
     /**
      * Set the required packages
      *
-     * @param array $requires A set of package links
+     * @param array|null $requires A set of package links
      */
     public function setRequires(array $requires = null);
 

src/Bowerphp/Util/Filesystem.php

@@ -44,6 +44,6 @@ public function read($filename)
      */
     public function write($filename, $content, $mode = 0644)
     {
-        $this->dumpFile($filename, $content, $mode);
+        $this->dumpFile($filename, $content);
     }
 }

tests/Bowerphp/Test/Config/ConfigTest.php

@@ -192,11 +192,11 @@ public function testUpdateBowerJsonFile()
 
         $config = new Config($this->filesystem);
 
-        $this->assertEquals(0, $config->updateBowerJsonFile($package, '*'));
+        $this->assertEquals(0, $config->updateBowerJsonFile($package));
 
         $config->setSaveToBowerJsonFile(true);
 
-        $this->assertEquals(123, $config->updateBowerJsonFile($package, '*'));
+        $this->assertEquals(123, $config->updateBowerJsonFile($package));
     }
 
     public function testUpdateBowerJsonFile2()