Function: `ThreadNew`

Creates a new thread of execution based on the passed closure/lambda.

Method Signature

ThreadNew(runnable=[function], attributes=[struct], name=[string], priority=[string])

Argument	Type	Required	Description	Default
`runnable`	`function`	`true`	The closure/lambda to execute in the new thread.
`attributes`	`struct`	`false`	A struct of data to bind into the thread's scope.	`{}`
`name`	`string`	`false`
`priority`	`string`	`false`	The priority of the thread. Possible values are "high", "low", and "normal". Default is "normal".	`normal`