Avoid collision if another package has bound 'sentry'

[KarlCastle]

Resolves #466

[stayallive]

Hey @KarlCastle, great catch, sorry this was missed (by probably me).

Out of curiosity, why are you changing the sentry name. I didn't think there were any (active) packages left also using sentry as a container key.

But again thanks for reporting and even fixing, I've added a few more replacements, let me know if you think (or can double check) I didn't make it worse 😉

[KarlCastle]

I'm supporting a legacy application that still relies on cartalyst/sentry. So I'm not aware of any active packages left either :)

Your changes seem great. 👍

[stayallive]

Haha, sounds about right :) Well in that case thanks for taking the time to report and fix anyway 👍