Handle missing $1 in _autoenv_hash_pair
Fix _autoenv_deauthorize with regard to newline handling, add tests
Encapsulate the file name in the hash pair for stricter matching

Ref: https://github.com/Tarrasch/zsh-autoenv/pull/13#issuecomment-65559752
Add doc for _autoenv_deauthorize
Merge pull request #13 from Tarrasch/fix-newline-handling-in-auth-file

Fix newline handling in auth file