Added keyring_token_store filter.
Fixing class var reference.
Merge pull request #2 from methnen/token_store_filter

Added keyring_token_store filter
Tweaks to make this stuff actually work.
Merge pull request #3 from methnen/token_store_filter

Tweaks to make this stuff actually work.
Merge branch 'master' of github.com:GigaOM/keyring into keyring-master

Conflicts:
	keyring.php