update Storage/Pdo

change JWT fetch to fetchColumn for getClientKey method to fix key validation issue.
Add support for non-expiring refresh tokens.
Add docs to storage.
Merge pull request #335 from bojanz/refresh-tokens

Add support for non-expiring refresh tokens
Merge pull request #333 from lgelfan/develop

update Storage/Pdo
Fixed Redis delete command

\Predis\Client uses #del instead of #delete.
fixes #341 - additional test cases for user credentials with public clients
adds tests for JwtBearer storage
Merge pull request #336 from ruimarinho/patch-1

Fixed Redis delete command
tests for #336 so this doesn't happen again
changelog for v1.3
minor changelog updates - calls out BC breaking change
fixes #189 - possible reason for errors when using sqlite storage - now you can pass in a string DSN with no other parameters (yay)
fixes #233 - allows token in methods where the request body is allowed
Open ID connect implementation: initial commit.
iteration of jsacksick's openid PR
Initial reimplementation (storage, response types).
Add an empty TokenIdTokenInterface. Should fix the tests.
Add urlSafeB64Encode and urlSafeB64Decode to the EncryptionInterface.
Pass the issuer to the id_token response type.