Add ld_library_path if it exists.
Replace underscore in variable with dash.
Set default save-place before requiring lib.

This is the order as per saveplace documentation.
Only set env vars if we found something.
Don't track sensitive info.
Use json parser to hide secrets.
Use correct json option for sql connection.
Add json modes.
DRY up secret logic. Require json lib for parsing it.
Append amicillc.com domain when connecting to sqlplus.

This is necessary due to the new oracle client which can't resolve the
tnsname without the full qualifier.
Custom logic for loading solarized in daemon mode.