diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..bc2c43f
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,6 @@
+/.gitignore       export-ignore
+/.gitattributes   export-ignore
+/.travis.yml      export-ignore
+/tests            export-ignore
+/phpunit.xml.dist export-ignore
+/apigen.neon      export-ignore
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9bc14ee..2698915 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+* 2.7.4 (2014-10-29)
+  * Changed loop in `generateBytes()` from `foreach` to `for`; see #33
+  * Use `toString()` in README examples to avoid confusion
+  * Exclude build/development tools from releases using .gitattributes
+  * Set timezone properly for tests
 * 2.7.3 (2014-08-27)
   * Fixed upper range for `mt_rand` used in version 4 UUIDs
 * 2.7.2 (2014-07-28)
diff --git a/README.md b/README.md
index 794da6d..5df41db 100644
--- a/README.md
+++ b/README.md
@@ -59,21 +59,21 @@ use Rhumsaa\Uuid\Exception\UnsatisfiedDependencyException;
 
 try {
 
-    // Generate a version 1 (time-based) UUID
+    // Generate a version 1 (time-based) UUID object
     $uuid1 = Uuid::uuid1();
-    echo $uuid1 . "\n"; // e4eaaaf2-d142-11e1-b3e4-080027620cdd
+    echo $uuid1->toString() . "\n"; // e4eaaaf2-d142-11e1-b3e4-080027620cdd
 
-    // Generate a version 3 (name-based and hashed with MD5) UUID
+    // Generate a version 3 (name-based and hashed with MD5) UUID object
     $uuid3 = Uuid::uuid3(Uuid::NAMESPACE_DNS, 'php.net');
-    echo $uuid3 . "\n"; // 11a38b9a-b3da-360f-9353-a5a725514269
+    echo $uuid3->toString() . "\n"; // 11a38b9a-b3da-360f-9353-a5a725514269
 
-    // Generate a version 4 (random) UUID
+    // Generate a version 4 (random) UUID object
     $uuid4 = Uuid::uuid4();
-    echo $uuid4 . "\n"; // 25769c6c-d34d-4bfe-ba98-e0ee856f3e7a
+    echo $uuid4->toString() . "\n"; // 25769c6c-d34d-4bfe-ba98-e0ee856f3e7a
 
-    // Generate a version 5 (name-based and hashed with SHA1) UUID
+    // Generate a version 5 (name-based and hashed with SHA1) UUID object
     $uuid5 = Uuid::uuid5(Uuid::NAMESPACE_DNS, 'php.net');
-    echo $uuid5 . "\n"; // c4a760a8-dbcf-5254-a0d9-6a4474bd1b62
+    echo $uuid5->toString() . "\n"; // c4a760a8-dbcf-5254-a0d9-6a4474bd1b62
 
 } catch (UnsatisfiedDependencyException $e) {
 
diff --git a/src/Uuid.php b/src/Uuid.php
index 107b0ba..5b3ad59 100644
--- a/src/Uuid.php
+++ b/src/Uuid.php
@@ -1225,7 +1225,7 @@ final class Uuid
         }
 
         $bytes = '';
-        foreach (range(1, $length) as $i) {
+        for ($i = 1; $i <= $length; $i++) {
             $bytes = chr(mt_rand(0, 255)) . $bytes;
         }
 
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 2f16bac..786bef2 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,6 +1,7 @@
 <?php
 
 error_reporting(E_ALL | E_STRICT);
+date_default_timezone_set('UTC');
 
 // Ensure that composer has installed all dependencies
 if (!file_exists(dirname(__DIR__) . '/vendor/autoload.php')) {