Fix issue #5. Have the user revalidate their account access if access_token becomes invalid
Issue #15, modified to check if object is a class that inherits from Account or Manager.
Removed extra whitespace
Issue #15, Removed old subtype error and modified the "no class found" error to include subtype.
fixed bug in token validation
pep8-ized new method names and fixed other bug
fixed bug in baseclass check
change Account and FileSystem docstrings
rearranged FTP code to support multiple FTP managers running at once
edited config file for testing multiple FTP managers
check if username already exists
modified configurator to add support for global settings (not working yet)
completed global settings implementation
moved dropbox app_key and app_secret to config.xml
added error handling for missing settings
use ThreadedFTPServer from pyftpdlib
updated manager specs to force running in a new thread
run commandline manager in a new thread
added " If already done, do nothing" to manager.run docstring
renamed project directory to CloudAlpha