* write documentation for the new classes.

* see if it's possible to use soundex / levenshtein with dictionaries stored
  in databases. May be using stored procedures?

* change sql code to be as generic as possible to be able to use others dbms
  than PostgreSQL.

* if database is in a file and name/shortinfo/info begins with @, make a word
  lookup at database initialization and cache the results.

* check whether jdk version is >= 1.4

* improve jdbc performance.