Make get_tsquery() and get_re() public instead of protected
Make get_tsquery() and get_re() public instead of protected

Protected methods are supposed to be called by methods in a subclass, not
from outside objects (even though those objects belong to said subclasses).

berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud