kd/register: add argument checking and command helper
kd/register: add argument checking and command helper

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