iOrtho API
==========
Base URL is https://www.netpoint.nl/iortho_v3/index.php/iOrtho
Use form encoding (application/x-www-form-urlencoded) for POST parameters
Single parameter means to call it like `GET /path?someparamvalue'
Reponses are in JSON format
API key provided using custom header in all requests:
	IORTHO-KEY: RwgoAkk4UyDkopjeirDKwSR0YqyyHBPXTD05Iw2L

GET /Orthodontists
------------------
Get a list of all orthodontists in the system. If you provide lat long,
the list will be sorted, and you'll get distance in kilometres.

-> Parameters
latitude: in decimal eg. 52.37
longitude: in decimal eg. 4.89

-> Response
Array of clinics: {ortho_code, name, logo_url, external_app_url, belgium,
distance}
external_app_url is link to iTunes if they made an app specifically for
that clinic
distance is a string containing a number with 16 digits of precision

GET /Algemeen
-------------
Returns details about a clinic.

-> Parameters
Single parameter: ortho_code from /Orthodontists

-> Response
{longitude, latitude, website, emailadres, telefoon, opening_hours, address}

GET /OrthodontistData
---------------------
Seems to be some kind of configuration file for the app that determines theme
colours and which sections are visible.

-> Parameters
Single parameter: ortho_code from /Orthodontists

GET /VisionApproach
---------------------
Returns some marketing copy the clinic wrote. Tends to be empty or contain a
placeholder.

-> Parameters
Single parameter: ortho_code from /Orthodontists

-> Response
{video_url, vision, approach, image_url}
video_url (if present) is a YouTube link

GET /News
---------------------
Returns completely empty response if there's no news.

-> Parameters
Single parameter: ortho_code from /Orthodontists

-> Response
Array of news articles: {id, praktijk_id, image_url, title, date, message}

POST /Authenticate
------------------
Get a token. If it expires (error code 999), use this endpoint again.

-> Parameters
code: ortho_code from /Orthodontists
zipcode: don't know exact format, but 1234AB worked
date_of_birth: in format ddMMyyyy eg. 31011938
either
	online_code
	bsn

-> Response
eg. {"user_code":"123456789012345678"}

POST /Appointments
-------------------------
-> Parameters
user_code: from /Authenticate

-> Response
Array of upcoming visits: {id, start_date, end_data, description,
cancellation_policy}
start and end_date are ISO 8601 (local time, CET)

GET /QRCode
-----------
Get your personal QR code to check in at the kiosk.

-> Parameters
Single parameter: user_code from /Authenticate

-> Response
PNG containing a QR code. It seems to encode some kind of sequential user ID.

POST /NAWData
-------------------------
NAW staat voor Naam, Adres, Woonplaats

-> Parameters
user_code: from /Authenticate

-> Response
{address, zipcode, house_number, house_number_suffix, city, country,
phone_number, phone_number_2, sms_number, email}

`country' is pretty weird. It's an array containing an object for all three
countries supported by the app (nederland, belgië, deutschland). On the one
the user lives in, the `current' key is 1, all others it's 0.