* helm-mode.el (helm-completing-read-handlers-alist): Remove trace-functions*.
When command contain more than one completing-read, same function will be reused,
here `helm-completing-read-symbols' which is correct for symbols but not buffers.
* helm.el: Add comments, no code--change.
* helm.el: Add comments, no code--change.
README.md: Update.
* helm-pkg.el: Update version number.