Yes, I haven’t thought about Type Parameters when I was creating this. 
Anyways, I have now made some updates to the package and Type Parameters should be handled like so:
This new version of the package was also updated to Dynamo 1.1 so please use that version. Thank you for noticing.
Download the package from here: https://drive.google.com/file/d/0B3QQaPkepGSkSHZnLWd4NFI3OU0/view?usp=sharing
Let me know if this works.
Cheers!