Changes to Content-Type and Content-Length
Changes to Content-Type and Content-Length

Changes in handling Content-Type and Content-Length headers. Also per
request of
https://imagesweserv.uservoice.com/forums/144259-images-weserv-nl-general/suggestions/13345773-add-content-length-header-to-allow-for-indetermina

andrieslouw/imagesweserv,andrieslouw/imagesweserv,andrieslouw/imagesweserv