Implement more config bool operations for boolean types

Meh.
diff --git a/src/fccfg.c b/src/fccfg.c
index e5bc04c..4b22d48 100644
--- a/src/fccfg.c
+++ b/src/fccfg.c
@@ -808,6 +808,18 @@
 	    case FcOpNotContains:
 		ret = !(left.u.b == right.u.b || left.u.b == FcDontCare);
 		break;
+	    case FcOpLess:
+		ret = left.u.b != right.u.b && right.u.b == FcDontCare;
+		break;
+	    case FcOpLessEqual:
+		ret = left.u.b == right.u.b || right.u.b == FcDontCare;
+		break;
+	    case FcOpMore:
+		ret = left.u.b != right.u.b && left.u.b == FcDontCare;
+		break;
+	    case FcOpMoreEqual:
+		ret = left.u.b == right.u.b || left.u.b == FcDontCare;
+		break;
 	    default:
 		break;
 	    }