added error check statement
added error check statement

sinan/koding,drewsetski/koding,mertaytore/koding,alex-ionochkin/koding,drewsetski/koding,cihangir/koding,drewsetski/koding,mertaytore/koding,acbodine/koding,andrewjcasal/koding,alex-ionochkin/koding,andrewjcasal/koding,kwagdy/koding-1,szkl/koding,acbodine/koding,kwagdy/koding-1,jack89129/koding,cihangir/koding,rjeczalik/koding,jack89129/koding,cihangir/koding,sinan/koding,kwagdy/koding-1,gokmen/koding,usirin/koding,usirin/koding,gokmen/koding,alex-ionochkin/koding,drewsetski/koding,kwagdy/koding-1,koding/koding,rjeczalik/koding,usirin/koding,acbodine/koding,alex-ionochkin/koding,mertaytore/koding,jack89129/koding,kwagdy/koding-1,koding/koding,mertaytore/koding,drewsetski/koding,mertaytore/koding,rjeczalik/koding,szkl/koding,drewsetski/koding,acbodine/koding,usirin/koding,usirin/koding,gokmen/koding,sinan/koding,szkl/koding,alex-ionochkin/koding,szkl/koding,gokmen/koding,jack89129/koding,jack89129/koding,usirin/koding,mertaytore/koding,gokmen/koding,cihangir/koding,acbodine/koding,koding/koding,koding/koding,rjeczalik/koding,koding/koding,alex-ionochkin/koding,andrewjcasal/koding,rjeczalik/koding,andrewjcasal/koding,szkl/koding,sinan/koding,szkl/koding,acbodine/koding,alex-ionochkin/koding,cihangir/koding,andrewjcasal/koding,sinan/koding,jack89129/koding,kwagdy/koding-1,gokmen/koding,cihangir/koding,cihangir/koding,jack89129/koding,alex-ionochkin/koding,sinan/koding,jack89129/koding,koding/koding,sinan/koding,koding/koding,drewsetski/koding,mertaytore/koding,acbodine/koding,koding/koding,sinan/koding,rjeczalik/koding,kwagdy/koding-1,cihangir/koding,rjeczalik/koding,drewsetski/koding,gokmen/koding,gokmen/koding,rjeczalik/koding,usirin/koding,szkl/koding,acbodine/koding,mertaytore/koding,usirin/koding,szkl/koding,andrewjcasal/koding,andrewjcasal/koding,kwagdy/koding-1,andrewjcasal/koding