* Fixed incorrect mention of output prompt referencing secret keys when the scripts are only for exporting public keys in whole or minimised forms.
* Made sure all example scripts meet PEP8 compliance. * Required fixing approx. a dozen of them in minor ways.
* Example of default exporting keys. * Example of exporting minimised keys. * Example of exporting secret keys to a file with correct permissions. Signed-off-by: Ben McGinnes <ben@adversary.org>