Remove debugging code

Signed-off-by: Michal Čihař <michal@cihar.com>
Simplify code

The fulltext method is not really called anywhere.

Signed-off-by: Michal Čihař <michal@cihar.com>
Remove debug code

Signed-off-by: Michal Čihař <michal@cihar.com>
Fix location and comment fulltext search

Issue #614

Signed-off-by: Michal Čihař <michal@cihar.com>
Document new search possibilities

Fixes #614

Signed-off-by: Michal Čihař <michal@cihar.com>