The README should include headers

[islamhaqq]

I was never given instructions to add these headers. Although they are probably obvious to some, I had no idea for a while.

		'Content-Type': 'application/json',
		Accept: 'application/json',

in addition to

		Authorization: 'whatever-you-want',

[jewel-lang]

@syedaman Thank you for posting this issue here, it helped me out!