* Initial test of print_rec_with_filter
* Replace dummy code to actually pass test
* Call print_rec_with_filter if search options are used with --format
* Call print_rec_with_filter in print_rec; add field_filters, update test
* Add new format_filters to argparse arguments to --format
* Update help for --format
* Update man page and remove trailing whitespace
* Fix test cases
* Update README
* Call print_single_rec from print_rec_with_filter if filt is 0
* Add create=True to buku.print mock
* Update Help text
* Update README
* Update man page