Add paypal
Add digitalocean
Add twitch
Add vimeo
Add stripe
Add imgur
Add tumblr
Add aboutme, improve auth method
Improve refresh token tests
Add aboutme refresh token method
Add oauth2 flag to provider config
- store refresh token uri in provider instance
- made OAuth2 refresh method configurable through the config
Improve url tests
Set response type to json by default in ctor
Return new Query instance each time chaining is invoked
Remove refresh code from all request tests
Add openstreetmap basic auth query get test
Re-order query method definitions
Use request builtin formData key for multipart/form-data
Update request version
Remove multipart config