Revert "Improve feature description in changelog"

This reverts commit 8b5a257fd61585f118a9de0ec476a908e381cde7.
... and has been moved into "dev"
Revert "Sanitizes headerid names with a pre-defined set of characters"

This reverts commit 8631d4865d26001e81775281a98a3cf70fb09ff3.
... and has been moved into "dev"