Rename 'security' to 'crypto'.
Improve and rename 'create_password' to 'generate_...'.
Make `six` imports absolute.
Add wheel tags
Remove __author__ metadata.

Since there's so much history that the metadata does not properly honor.
Merge remote-tracking branch 'refs/remotes/merchise-usb/develop' into develop
Test stability of module's methods.
Fix several bugs in `xoutil.functools.compose`.
Make rtrim's to default to a single directory up.