AutoSuggest crashes when search terms begin with some punctuation

[Lebbeous Fogle-Weekley]

In Evergreen master, AutoSuggest crashes when the user enters queries that begin with some punctuation characters, at least including . (period) and : (colon).

Apache replaces the dead child processes, so the users at the OPAC will hardly notice (unless they pay attention to their little Javascript errors icon) but this could contribute to sever load and to error log noise, and it should generally be fixed.