saveScript
Description
			Saves a new version of a script		
		Example request
https://www.rundowncreator.com/channel4news/API.php
     ?APIKey=edharken
     &APIToken=HNe2ADG0nBTiC8Q8WiVfsxeG5ip51A
     &Action=saveScript
     &RowID=7
     &Script={ADLIB GOODBYE}
     &ReadRate=20
		Example response
{
    "ScriptID": 7
}
		Required parameters
| RowID | integer | the unique ID of the row to save the script in | 
| Script | string | the script | 
| ReadRate | integer | the talent's read rate (an approximation of how many characters they read per second) | 
Optional parameters
None
		Returns
| ScriptID | integer | the unique ID of the new version of the script | 
Notes
Requires permissions of a writer or higher.