Ensure we are able to fetch the upstream share
Ensure we are able to fetch the upstream share

* If a block was found but the upstream share is not inserted, bail out
* Next run should find the upstream share if it was added properly

Should address #189 but maybe not a fix yet.

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