Updated documentation, mostly http -> https changes
Also:
- changed http to https in the code
- changed header underlines in the documentation to match the header length
diff --git a/tests/test_transform.py b/tests/test_transform.py
index f919b1b..7fe121b 100644
--- a/tests/test_transform.py
+++ b/tests/test_transform.py
@@ -6,7 +6,7 @@
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
-# http://www.apache.org/licenses/LICENSE-2.0
+# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,