v0.13.2 - Security patch
Bump to version of httplib2 from v0.12.0 to v0.18.0 to resolve a security flaw. For more information, see: https://github.com/httplib2/httplib2/blob/9bf300cdc372938f4237150d5b9b615879eb51a1/CHANGELOG#L7-L12
Bump to version of httplib2 from v0.12.0 to v0.18.0 to resolve a security flaw. For more information, see: https://github.com/httplib2/httplib2/blob/9bf300cdc372938f4237150d5b9b615879eb51a1/CHANGELOG#L7-L12