added a better clean to setup.py
added a better clean to setup.py

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