Added reader class

public:
QVector<qint32> getStat(QString s)
float getKDR(qint32 gameid)
float getAVGKDR()
float getMinKDR()
float getMaxKDR()
float getDF(qint32 gameid)
float getAVGDF()
qint8 getMaxDF()
qint8 getMinDF()
float getKDA(qint32 gameid)
float getAVGKDA()
float getMaxKDA()
float getMinKDA()

private:
qint32 Games()
QDomElement LoadContent()