Recognise escaped characters in strings in the Replace Text and similar text processing nodes

I wanted remove all the return and newline chars (\r & `\n') from text using the Replace Text node but I can't.

When I condensed a list of texts items using the Summerize List node it puts a return between each item in the list, which is fine but it would be desirable to take the returns out on some context. Many other uses for being able to process and add/remove \r, \n & \t from text strings too.

Component: 

Node to Make a QR code

Per this discussion: https://vuo.org/node/2822

The desire is to be able to make a custom QR code image.

This current workaround (which requires a network ping, and assumes Google keeps this service up) is great, many thanks to Jean Marie

Would be lovely to be able to make a QR code natively.

Component: 

Notes from Team Vuo

Vuo Pro: 

No — available with both Vuo CE and Vuo Pro

Complexity: 

●○○○ — Up to a few days of work

Potential: 

●○○ — Appeals to current community

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