Removed PHP Notice warning when running cron
Removed PHP Notice warning when running cron

This fixes #102, we don't need to see this warning since it doesn't
affect the job at all.

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