Import sequence code from upstream pull-request.
Import sequence code from upstream pull-request.

agonzalezro/flocker,adamtheturtle/flocker,runcom/flocker,w4ngyi/flocker,w4ngyi/flocker,jml/flocker,runcom/flocker,adamtheturtle/flocker,AndyHuu/flocker,hackday-profilers/flocker,agonzalezro/flocker,adamtheturtle/flocker,Azulinho/flocker,Azulinho/flocker,lukemarsden/flocker,LaynePeng/flocker,w4ngyi/flocker,moypray/flocker,hackday-profilers/flocker,agonzalezro/flocker,moypray/flocker,runcom/flocker,mbrukman/flocker,jml/flocker,1d4Nf6/flocker,LaynePeng/flocker,wallnerryan/flocker-profiles,wallnerryan/flocker-profiles,AndyHuu/flocker,1d4Nf6/flocker,wallnerryan/flocker-profiles,achanda/flocker,LaynePeng/flocker,AndyHuu/flocker,hackday-profilers/flocker,Azulinho/flocker,lukemarsden/flocker,jml/flocker,1d4Nf6/flocker,mbrukman/flocker,lukemarsden/flocker,mbrukman/flocker,achanda/flocker,moypray/flocker,achanda/flocker