What options do I use to generate an evolution chain?

[robiningelbrecht]

The script can also generate a series of cards that evolve from one another.

What options do I use to generate an evolution chain? I checked the code, but was not able to pinpoint his.

[jetlej]

I'd also love to know!

[lachusi]

I third that!

Also, is there a way to generate two elements at a time?
I want to exclude card generation and make an overall pokemon generator out of this.
Thanks in advance.