- If gender lookup fails, return nil instead of "unknown"
- If gender lookup fails, return nil instead of "unknown"

XIVStats/XIVStats,hmschreck/XIVStats,XIVStats/XIVStats-Gatherer-Java,XIVStats/XIVStats-Gatherer-Java,XIVStats/XIVStats-Gatherer-Ruby,XIVStats/XIVStats-Gatherer-Java,fahy/XIVStats-Gatherer-Ruby