* helm-files.el (helm-c-source-ff-file-name-history): C-z does nothing, add a filter.
* helm-files.el (helm-c-source-ff-file-name-history): Move the lambda filter in defun, add autoload cookie.
* helm-config.el: Update autoloads.
* helm-files.el: Add missing autoload cookies.
* helm-config.el: update autoloads.
* helm.el (helm-delete-minibuffer-contents): Issue #196 ; require helm-utils.