diff --git a/github.py b/github.py
index 28bf03d..1cd54ed 100644
--- a/github.py
+++ b/github.py
@@ -7,8 +7,13 @@
 with requests.Session() as session:
     session.auth = (config.user, config.password)
 
+
     def get_repos(since=0):
+        """
+        Place Holder Comment
+        """
         url = 'http://api.github.com/repositories'
+
         data = """{
           since: %s
         }""" % since
@@ -25,12 +30,17 @@ def get_repos(since=0):
 
 
     def get_repo(url):
+        """
+        Returns the array of .json files of the current repository
+        """
         response = session.get(url)
         return response.json()
 
 
     def get_read_me(url):
-        # Grabs the readme file associated with the current repository
+        """
+        Returns the repository's readme file
+        """
         url += '/readme'
         response = session.get(url)
         return response.json()
@@ -38,12 +48,30 @@ def get_read_me(url):
 
     # todo: return array of all commits so we can examine each one 
     def get_repo_sha(url):
+        """
+        Returns the last commit's SHA
+        """
         # /repos/:owner/:repo/commits
         commits = session.get(url + '/commits').json()
         return commits[0]['sha']
 
 
+    # todo: This function should return an all of all the Commits
+    def get_all_repo_sha(url):
+        """
+        Return a list of all commit's SHA
+        """
+        commits = session.get(url + '/commits').json()
+        all_sha = []
+        for x in range(len(commits)):
+            all_sha[x] = commits[x]['sha']
+        return all_sha
+
+
     def get_file_content(item):
+        """
+        Place Holder Comment
+        """
         ignore_extensions = ['jpg']
         filename, extension = os.path.splitext(item['path'])
         if extension in ignore_extensions:
@@ -57,6 +85,9 @@ def get_file_content(item):
 
 
     def get_repo_contents(url, sha):
+        """
+        Place Holder Comment
+        """
         # /repos/:owner/:repo/git/trees/:sha?recursive=1
         url += '/git/trees/%s?recursive=1' % sha
         # print 'url', url