More useful in-memory implementation of `IFilesystem.snapshots`.
More useful in-memory implementation of `IFilesystem.snapshots`.

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