KDRouter: pass an empty string in lieu of null
KDRouter: pass an empty string in lieu of null

+ null throws a DOM exception error

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