env options not working?

[yxmark]

Hi, thank you for making pyuwsgi! It is amazing and it has helped me solved a lot of issus.

It seems --env option doesn't work in pyuwsgi nor does env=MYENV=12 work in `myuwsgi.ini' ?

[yxmark]

Here is a python file that prints env:

# print_env.py
import os
print 'printing my_env:', os.environ["MY_ENV"]

The results look like this when using regular uwsgi:

$ venv/bin/uwsgi --env MY_ENV=123 --py ./print_env.py
printing my_env: 123

but when using pyuwsgi it raise KeyError:

$ venv/bin/pyuwsgi --env MY_ENV=123 --py ./print_env.py
    raise KeyError(key)
KeyError: 'MY_ENV'