Merge into commerce_invoice module?

I'm looking at both this and the commerce_invoice module, and I'm perplexed as to why these are two different projects?

Looking at both, it looks like this project is a bit behind, as it cannot create invoices anymore since the API changed. Might I suggest merging this into the commerce_invoice module and implementing a display on the already built view, one for email and the other for print. They already have one for end-user invoices.

I'll link this issue to the commerce_invoice module, and see what they think. It'd be nice to have these features in that module, its a pretty integral part of the invoicing system.