init v3.2.3
update README
delete line that causes a warning
add bouth23
add isbntools.contrib... note
fix installer
redo
check read order conf file
add contrib.hook
add to contrib.hook helpers for user script
add osx to travis
add user script `isbn_conf`
add command for `isbn_conf`
doc `isbn_conf` (close #42)
doc `isbn_conf` (close #41)
typo
improve `isbn_conf`
normalize white space `isbn_conf`
add `isbn_doi` (close #44)
allow non isbn-13 input for `doi`