Work on setup/update scripts, unit tests, and documentation to enable Postgres server to be optionally configured on a remote host

data/words.sql

@@ -23,6 +23,7 @@ CREATE TABLE word_frequencies (
     count bigint
 );
 
+TRUNCATE TABLE word_frequencies;
 
 --
 -- Data for Name: word_frequencies; Type: TABLE DATA; Schema: public; Owner: -