Replaced legacy read methods with wrappers for openCSV calls. Incidentally, this appears to have fixed the problem with not writing all fields back to the file. Nonetheless, in v1.9 we'll look at using openCSV calls for writing back (won't be as clean due to a lack of write(Map<String,String>) type of method. In v2.0, we'll eliminate legacy v1.0 methods (which will also require updating unit tests).