Challenge 8
Challenge 8~ cleanup
fluffyWrappers improvements for challenge9
Challenge 9
Re-add challenge 8
Fluffy wrappers improvements, backchanges into challenges 1 and 2, refactor of challenge7 as prop for challenge10
Created FLUFFY_FILES class and refactored previous challenges to use shared code
Challenge8: Error message fix
Challenge7: Moved image list calls to preceede input checks, cleaned up main return types
Challenge10
Challenge10 (try 2)
Challenge9: Improved list behavior
fluffyWrappers: Added LB and Files methods
Modified FLUFFY_SERVERS.buildServerSet() to use **kwargs for extra options to pass through to pyrax.cs.servers.create()
Modified challenges8 and 9 to use new lb validate functions early
Modified challenge10 and fluffyWrappers to avoid LB race conditions.
PRE/POST/RETURN VALUE matching
Basic smoke test PASS.  Initial release