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

Create two new node classes: `Convert Data to Integers` and `Convert Data to Reals`

Add option/port to select how many bytes to concatenate and how to interpret endianness to "Get Data Bytes". This will enable a wider use for the node. Would give wanted data from the output list without conversion while still enabling direct 1 byte output.

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

We are proceeding with a different solution, mentioned below, that addresses the same issue.

Super cables

2 nodes: a send super cable and a receive super cable.

The role of the super cable is to allow the user to use a unique variable name: "foobar" so that all downstream "foobar" variables automatically connect together. Similar to spooky send and receive but an exact replication as opposed to connecting cables and then hiding. Very useful for use in subcompositions when you want to allow copies of nodes to access same data.

Obviously the super cable has to know not to connect 2 cables to 1 input- so only outputs can stream to multiple inputs. User would be warned not to proceed- (like feedback warning)

QC equivalent: 

Kineme Spooky Send/Receive

Component: 

Notes from Team Vuo

Vuo Pro: 

No — available with both Vuo CE and Vuo Pro

Complexity: 

●●○○ — A few weeks of work

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