diff --git a/github2/client.py b/github2/client.py
index bc348a7..6e9a5b1 100644
--- a/github2/client.py
+++ b/github2/client.py
@@ -2,6 +2,7 @@ from github2.request import GithubRequest
 from github2.issues import Issues
 from github2.repositories import Repositories
 from github2.users import Users
+from github2.commits import Commits
 
 class Github(object):
 
@@ -10,6 +11,7 @@ class Github(object):
         self.issues = Issues(self.request)
         self.users = Users(self.request)
         self.repos = Repositories(self.request)
+        self.commits = Commits(self.request)
 
     def project_for_user_repo(self, user, repo):
         return "/".join([user, repo])
diff --git a/github2/commits.py b/github2/commits.py
new file mode 100644
index 0000000..1924736
--- /dev/null
+++ b/github2/commits.py
@@ -0,0 +1,22 @@
+from github2.core import BaseData, GithubCommand
+
+
+class Commit(BaseData):
+    attributes = ("message", "parents", "url", "author", "id",
+                  "committed_date", "authored_date", "tree", "committer",
+                  "added", "removed", "modified")
+    date_attributes = ("committed_date", "authored_date")
+
+
+class Commits(GithubCommand):
+    domain = "commits"
+
+    def list(self, project, branch="master", file=None):
+        return self.get_values("list", project, branch, file,
+                               filter="commits", datatype=Commit)
+
+    def show(self, project, sha):
+        return self.get_value("show", project, sha,
+                              filter="commit", datatype=Commit)
+
+
diff --git a/github2/request.py b/github2/request.py
index acb976c..e12e31a 100644
--- a/github2/request.py
+++ b/github2/request.py
@@ -4,7 +4,7 @@ import simplejson
 from urlparse import urlparse
 from urllib import urlencode
 
-URL_PREFIX = "https://github.com/api/v2/json"
+URL_PREFIX = "http://github.com/api/v2/json"
 
 class GithubError(Exception):
     """An error occured when making a request to the Github API."""
@@ -30,9 +30,11 @@ class GithubRequest(object):
         return urlencode(post_data)
 
     def get(self, *path_components):
+        path_components = filter(None, path_components)
         return self.make_request("/".join(path_components))
 
     def post(self, *path_components, **extra_post_data):
+        path_components = filter(None, path_components)
         return self.make_request("/".join(path_components), extra_post_data)
 
     def make_request(self, path, extra_post_data=None):