/**
* <summary>Compares two applicants' to see if they're potentially duplicants</summary>
* <param name="a1">An applicant</param>
* <param name="a2">Another applicant (surprise! :-P)</param>
* <returns>True if the applicants might be duplicates</returns>
*/
public static bool ArePossiblyDuplicates(Applicant a1, Applicant a2)
{
return(a1.Checksum() == a2.Checksum());
}