Bugfix class Nullhandler, add attribute lock, which is used when exiting with atexit in atexit._run_exitfuncs->shutdown->"/usr/lib/python2.7/logging/__init__.py", line 703, in release
Refactor function check_arguments of module main, extract function
Bugfix function main of module main. ArgumentParser
    Add class MyParser, for custom help message
    Replace class argparse.ArgumentParser with class MyParser
Add parameter stop to function main of module main
    Add function remove_configuration to module main, which removes the virtual configuration file, which stops Cloudfusion automatically
    Add function start_stopping_thread fo module main, to start a process running function remove_configuration
Bugfix class DropboxStore, when exiting, check if directory for file revision database exists instead of logging an error if it does not
Refactor method stop of class WriteWorker, to remove debugging statements
Add Feature  Issue #10, make syncfolders available in root directory
    Add method get_syncfolders to class SugarsyncClient, to retrieve a dictionary with available directories as keys and the id used to address them in the sugarsync api as value
    Modify methods get_directory_listing, __init__, _translate_path, and get_metadata of class SugarsyncStore, to represent the syncfolders inside the root directory
Fix autoconnect feature for Dropbox
    Modify class DropboxStore, to adapt change in authorization process
Modify class SugarsyncClient to allow requests involving up to 100000 files
Modify test store_test.py, to change test directory to "/My Sugarsync/testdir", as Sugarsync does not allow writing to the root folder