Modified the call to git log in the changes module to conform with Windows.

The call to git log included "'" characters to "stringify" input to the
git command. On unix systems, this functions the same way as the
citation (") character. On Windows however, it does not.

changes.py

@@ -91,7 +91,7 @@ class AuthorInfo:
 class Changes:
 	def __init__(self, hard):
 		self.commits = []
-		git_log_r = subprocess.Popen("git log --pretty='%ad|%t|%aN|%s' --stat=100000,8192 --no-merges -w " +
+		git_log_r = subprocess.Popen("git log --pretty=\"%ad|%t|%aN|%s\" --stat=100000,8192 --no-merges -w " +
 		                             "{0} --date=short".format("-C -C -M" if hard else ""),
 		                             shell=True, bufsize=1, stdout=subprocess.PIPE).stdout
 		commit = None