Fix EncryptedFile usage.
Isolate the test environment variables.
Remove dead code; add more coverage pragmas.
Add iterbytes.
Add pencrypt tests; python 3 compatibility.
Make box_of_config_and_password more testable.
Make run_amp_command more testable.
Add site list saving as a feature.
Fix broken code.
Add some missing copyright headers.
Add proper attribution for ometa.