oauthCallback defined to "oob"

The program will ask for PIN only when ouathCallback is set to "oob".

Reference: https://dev.twitter.com/docs/auth/pin-based-authorization
Merge pull request #12 from psibi/patch-1

oauthCallback defined to "oob"
Add friendsList function #10 by @jrm8005
Add `usersLookup` and `UserListParam` for multiple user_id query parameters. refs #11
Add flag: build-samples
fix test...
fix indent
Change API Endpoint
restructure Status module
restructured
Add Request type
Change 'Request' type to take the argument of the response type.
Rename Request to APIRequest
use Prism
Add TwitterResponse type
Add call
update sample
renamed
make `APIResponse a` to be an instance of AsPrimitive
export Has*Param