Remove 10k per directory limitation#24

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dsnopek wants to merge 3 commits intoredbo:masterfrom

Commits on Sep 4, 2011

list_directory() will now request the next set of objects if it gets exactly 10k (the max returned per request per the Rackspace docs)
dsnopek
committed

Commits on Jun 3, 2012

fixed marker problem when the last item is in a subdirectory
ocamler
committed

Commits on Jun 4, 2012

Merge pull request #1 from ocamler/master
dsnopek
committed