[pygobject] Bump glib and g-i dependencies to latest stable.

[Martin Pitt <martinpitt src gnome org>]

commit ba4a0a65bf9ec44c3b9449f63d63035bff75d8df
Author: Martin Pitt <martinpitt gnome org>
Date:   Mon Oct 14 12:57:04 2013 +0200

    Bump glib and g-i dependencies to latest stable.
    
    glib 2.38 and g-i 1.38 are from stable GNOME 3.10 which we now assume as
    minimal version.
    
    Drop @unittest.skipUnless tags from tests which didn't work with g-i 1.36.

 README           |    3 ++-
 configure.ac     |    6 +++---
 tests/test_gi.py |    2 --
 3 files changed, 5 insertions(+), 6 deletions(-)
---
diff --git a/README b/README
index 7530c61..d38e974 100644
--- a/README
+++ b/README
@@ -46,7 +46,8 @@ Requirements
 ============
   * C compiler (GCC and MSVC supported)
   * Python 2.7 or higher
-  * Glib/Gio 2.35.9 or higher
+  * Glib/Gio 2.38.0 or higher
+  * gobject-introspection 1.38.0 or higher
   * libffi (optional)
 
 Copyright Information
diff --git a/configure.ac b/configure.ac
index 12422b9..05f54ba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,11 +22,11 @@ m4_define(pygobject_micro_version, 1)
 m4_define(pygobject_version, pygobject_major_version.pygobject_minor_version.pygobject_micro_version)
 
 dnl versions of packages we require ...
-m4_define(introspection_required_version, 1.35.9)
+m4_define(introspection_required_version, 1.38.0)
 m4_define(py2cairo_required_version, 1.2.0)
 m4_define(py3cairo_required_version, 1.10.0)
-m4_define(glib_required_version, 2.35.9)
-m4_define(gio_required_version, 2.35.9)
+m4_define(glib_required_version, 2.38.0)
+m4_define(gio_required_version, 2.38.0)
 
 AC_INIT([pygobject],[pygobject_version],
        [http://bugzilla.gnome.org/enter_bug.cgi?product=pygobject],
diff --git a/tests/test_gi.py b/tests/test_gi.py
index ba2177f..4f66c23 100644
--- a/tests/test_gi.py
+++ b/tests/test_gi.py
@@ -1246,8 +1246,6 @@ class TestGValue(unittest.TestCase):
         value = GObject.Value(GObject.TYPE_INT, 42)
         GIMarshallingTests.gvalue_in(value)
 
-    @unittest.skipUnless(hasattr(GIMarshallingTests, 'gvalue_in_with_modification'),
-                         'Newer version of gi needed.')
     def test_gvalue_in_with_modification(self):
         value = GObject.Value(GObject.TYPE_INT, 42)
         GIMarshallingTests.gvalue_in_with_modification(value)