Restore execution counter
Restore execution counter

mikecroucher/IRkernel,ChinaQuants/IRkernel,gdtm86/IRkernel,chendaniely/IRkernel,rgbkrk/IRkernel,ibm-et/IRkernel,ibm-et/IRkernel,JanSchulz/IRkernel,Phobia0ptik/IRkernel,elaOnMars/IRkernel