updated URLs to point to our new home
some of the keystone auth parameters use os_options dict, fixes issue 3
test for python-keystoneclient if auth 2.0 is used
ready for 0.23.1
Bump required version for swiftclient

This is more for the keystoneclient support, I think 1.2 may work
with auth 1.0.
added a warning regarding pyftpdlib 1.2.0
perform an operation to actually force authentication and setup internal fields of conn
ready for 0.23.2
Perform a swift auth without operation

We can't use head_account because it won't work with unprivileged
users so we perform auth without operation. I didn't want to do this
because we're exposed to swiftclient internals but there's not other
way to do it.
ready for 0.23.3
when listing > 10k objs, marker could be a subdir

Because a subdir object doesn't have name it will raise a KeyError.

Fixes issue #6.
ready for 0.23.4
auth token cache using memcache (when available)
ready for release 0.24
_make_stat expects int, head_container return str

This affects specially sftp-cloudfs as some sftp clients
will try to stat a directory before performing the cd.
ready for 0.24.1
Don't get stuck with an invalid cached token

This is an issue introduced in 0.24. If the cached token is invalid
the server won't ask for a new one until the cache expires.
ready for release 0.24.2
Bump pyftpdlib requirement to 1.3.0

1.3.0 fixes an memory leak and a file descriptor leak.
ready to 0.24.3