0.1.1 to 0.1.2

0.1.1 to 0.1.2:

• Changed /attribute/{user_token}/{destination_token}/ to /attribute/{user_token}/{destination_token}/{currency} to provide for more accurate attributes based on destination currency
• Added method GET /payout/{user_token}/{payout_token} to retrieve status of payout
• Added three_letter_code to country list response
• Added additional_description to country list payer response
• Added new types of payout method PAPER_CHECK AND BILL
• Added force_status_update to GET /payout/{user_token}/{payout_token}
• Added internal_user_id to FoundUser response for GET /user/lookup
• Added PUT /load/{user_token} to resend load notification
• Added date_of_birth to create user, update user, and user lookup