fix fs_image_url and restore fs_embed function, closes #28
add debugging option to any httr API call
fs search is fixed, closes #64
browse uses pretty print, closes #34
fix fs_create_author, passes the tests and closes #78
fix bug introduced into fs_create
update documentation
XML parsing needed for fs_embed
update docs, bump version
create vignette
fix vignette example so package builds
clean up vignette a bit to avoid non-ascii warning, etc