Also fix some logic in ReadFromArff(); re-adapt to use strcasecmp() == 0 instead of potentially confusing !strcasecmp() (the counter-intuitiveness may have actually caused one of the bugs fixed here)
Also fix some logic in ReadFromArff(); re-adapt to use strcasecmp() == 0 instead of potentially confusing !strcasecmp() (the counter-intuitiveness may have actually caused one of the bugs fixed here)