Added oauth description back in
Change access_token call to POST
Format curl calls
fix formatting
Removed GETing list of accounts as endpoint since this feature requires authorization.
Removed old error codes
Added pagination, changed argument names.
Changed get parameters names, added pagination to trades.
Changed get parameters names, added pagination to orders.
Amended ids description in trades/orders/transactions.
Added GET accounts request
documentation changes to reflect the new rates endpoints.
update format
fix authorize endpoint typo
Update authorize and access_token query params
Remove authentication guide from reference.md
Create authentication.md
Take out implicit flow
remove unnecessary double quote
Change Using access_token example to use curl