* helm.el (helm-last-sources): Removed.
* helm.el (helm-set-sources): Removed.
* helm.el (helm-last-sources-local): Removed, now helm-sources is local.
* helm.el: Reorder vars and fix helm docstring. No codechange.
* helm.el: Cleanup reorder some functions.
* helm.el (helm-set-sources): Put back the modified version.
* helm.el (helm-this-command-key): Removed .