Fixed bibtex delimiter (= not :).
Added url command to generate temp download URLs.
Split hyphenated names into components in queries.
So, searching for martin will find martin-l\"of.
Escape ' and \ in query keywords.
Fixed split regex for *_words attributes so that accents aren't botched.
Previously, a name like k\"olbel would be split into k and olbel.
Test for null key.
Check to make sure part is non-nil before taking part.
Fixed year=x queries.
Fixed query regex so ti=x, au=x, etc. queries work properly.