Corrected a problem with commits_between returning None.

This was caused by calling reverse on the list, which reverses the list in
place and returns None. We really need tests for this.

Author: empty

Diff for: CHANGES

@@ -40,6 +40,13 @@ Head
 * Corrected problem where branches was only returning the last path component
   instead of the entire path component following refs/heads/.
 
+Repo
+----
+* Modified the gzip archive creation to use the python gzip module.
+
+* Corrected ``commits_between`` always returning None instead of the reversed
+  list.
+
 
 0.1.5
 =====

Diff for: lib/git/repo.py

@@ -138,12 +138,12 @@ def commits_between(self, frm, to, path = ''):
             is the branch/commit name of the older item
 
         ``path``
-            is an optinal path
+            is an optional path
 
         Returns
             ``git.Commit[]``
         """
-        return Commit.find_all(self, "%s..%s" % (frm, to), path).reverse()
+        return reversed(Commit.find_all(self, "%s..%s" % (frm, to)))
 
     def commits_since(self, start='master', path='', since='1970-01-01'):
         """