Changed api_sever from controller to use _threads
Changed api_sever from controller to use _threads

diraol/kytos,renanrodrigo/kytos,kytos/kyco,cemsbr/kytos,diraol/kytos,cemsbr/kytos,macartur/kytos,kytos/kytos,erickvermot/kytos,diraol/kytos,erickvermot/kytos,erickvermot/kytos,cemsbr/kytos