[FIX] Do no DUPE on empty coin address
[FIX] Do no DUPE on empty coin address

bankonme/php-mpos,UNOMP/chunky-mpos,mmitech/php-mpos,mmitech/php-mpos,machinecoin-project/php-mpos,UNOMP/chunky-mpos,shreeneve/test,xisi/php-mpos,UNOMP/chunky-mpos,BlueDragon747/php-mpos,nimblecoin/web,sixxkilur/php-mpos,mculp/chunky-mpos,machinecoin-project/php-mpos,shreeneve/test,BlueDragon747/php-mpos,CoinHashMe/MPOS-SSO,bankonme/php-mpos,MPOS/php-mpos,studio666/php-mpos,xisi/php-mpos,CoinHashMe/MPOS-SSO,mculp/chunky-mpos,bankonme/php-mpos,CoinHashMe/MPOS-SSO,ychaim/php-mpos,nimblecoin/web,BlueDragon747/php-mpos,mculp/chunky-mpos,shreeneve/test,MPOS/php-mpos,mmitech/php-mpos,CoinHashMe/MPOS-SSO,machinecoin-project/php-mpos,UNOMP/chunky-mpos,xisi/php-mpos,sixxkilur/php-mpos,studio666/php-mpos,MPOS/php-mpos,mculp/chunky-mpos,nimblecoin/web,CoinHashMe/MPOS-SSO,ychaim/php-mpos,sixxkilur/php-mpos,studio666/php-mpos,ychaim/php-mpos