Add Evo 1.5 (#104)

* add evo 1.5

* update readme

Fix model loading (#100)

* match regex to the correct string

* update version

fix issue with config loading

update setup.py to point to requirements.txt

Merge pull request #55 from evo-design/model_version1.1

Load fixed Evo v1.1 model checkpoint

bump version

bump version :)