rather than dumping all the settings allow a filter function
to choose desired settings
in menucoresettings you can see an how to do exact text matches
or wilcard matches you can even use luas version of regex
Change-Id: I4c7f7592498ea194e06e9a556b77ffd57f5d4223
Adds example scripts for reading track metadata + dumping albumart
and rockbox settings
settings are now stored as a table of strings rather than a table of tables
as it saves ~15 kb of ram without adding much complexity
Change-Id: I611c312b2a60ab96e595e4710b17aedbd6c0689b