Bumped gitdb requirement.

This should help getting the latest version

Author: Byron

git/test/test_base.py

@@ -118,9 +118,8 @@ def test_add_unicode(self, rw_repo):
         file_path = os.path.join(rw_repo.working_dir, filename)
         open(file_path, "wb").write(b'something')
 
-
         if os.name == 'nt':
-            # on windows, there is no way this works, see images on 
+            # on windows, there is no way this works, see images on
             # https://github.com/gitpython-developers/GitPython/issues/147#issuecomment-68881897
             # Therefore, it must be added using the python implementation
             rw_repo.index.add([file_path])

requirements.txt

@@ -1,2 +1,2 @@
 GitPython
-gitdb>=0.6.1
+gitdb>=0.6.2

setup.py

@@ -67,7 +67,7 @@ def _stamp_version(filename):
     else:
         print("WARNING: Couldn't find version line in file %s" % filename, file=sys.stderr)
 
-install_requires = ['gitdb >= 0.6.1']
+install_requires = ['gitdb >= 0.6.2']
 if sys.version_info[:2] < (2, 7):
     install_requires.append('ordereddict')
 # end
@@ -85,7 +85,7 @@ def _stamp_version(filename):
     package_data={'git.test': ['fixtures/*']},
     package_dir={'git': 'git'},
     license="BSD License",
-    requires=['gitdb (>=0.6.1)'],
+    requires=['gitdb (>=0.6.2)'],
     install_requires=install_requires,
     test_requirements=['mock', 'nose'] + install_requires,
     zip_safe=False,