Thawani

Added

- Added Support For Signature Validation
- Added Client for Card, Customer, Token
- Now Sdk throws BadRequestError, GatewayError, ServerError, SignatureVerificationError depending on error occurred
- Set Base URL of API on client level instead of request level
- Updated README
- Supports Notes for Order and Refund, and line itmes in Invoices

Changed

- Refund Can be fetched by just refund id, previously it needed payment id also
- Test Coverage Increased to 100%
- Deprecated fetch_all in favour of all
- Take params in a dictonary instead of key/value pair

Added

- API for Orders.
- Return Proper Error Message
- docstring for all API

Added

- Tests: For payments and refunds.

Changed

- **data** argument to create refund is now optional.
- Add mandatory **amount** argument for payment capture.

Fixes

- Local imports for py 3.x.