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experimental/README.md

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 This folder contains experimental stuff
 
-Buy me a coffee?  https://www.buymeacoffee.com/jameszah
+Buy me a Double Mochaccino half caf, non fat, with extra cream on the side? https://ko-fi.com/jameszah
+
 
 The folder 07x_FTP is a the version 7 discussed in the main readme, but it adds an ftp server host.