Fixed part of issue 22: Match-type on a search config is not overriding the match type on the keyword set

Partial fix for Issue #22 Match-type on a search config is not
overriding the match type on the keyword set.  Addresses similar
CareerBuilder plugin issues, but Craigslist part of issue still needs
to be fixed.
Fixed: issue#12 - Careerbuilder plugins fail to search successfully with my normal settings