ENH: add bitSet-type of methods for boolList

- test(), get(), set(), unset() with behaviour as per bitSet,
  to allow easier swapping out of boolList <-> bitSet.

applications/test/bitSet1/Test-bitSet1.C

@@ -25,7 +25,7 @@ Application
     Test-bitSet1
 
 Description
-    Test bitSet functionality
+    Basic bitSet characteristics
 
 \*---------------------------------------------------------------------------*/
 
@@ -64,8 +64,6 @@ inline Ostream& report
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-// Main program:
-
 int main(int argc, char *argv[])
 {
     bitSet set1(100);