KodingClient: Refactor check key function
KodingClient: Refactor check key function

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