Work with Pyrsistent 0.8.0.
Work with Pyrsistent 0.8.0.

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