Bag Tag with Multi-line

Questions in comments drove me to find out some answers.
There's no way to probe for the bounding boxes of an object that I can find.
So this update contains assumptions about text dimensions which will not work for everything.
Additionally, variable scope is a problem I have yet to sort out. How do you loop though an array and extract some stats such as max length of string values? Haven't figured it out. It's hard coded.