* Mostly tightening up the details on the hkp4py example script.
* Also fixed a typo in the LGPL boiler plate text included in all the
other example scripts for the HOWTO.
* Example to encrypt a file to a single key.
* Takes key ID and/or fpr as a CLI parameter.
* Takes path and filename as a CLI parameter.
* Encrypts to specified key only, no signing and writes the output in
both ASCII armoured and GPG binary formats with output filenames
based on input filename.
