1.0.1

- Added ws event `status_update`
- Added rest function `get_derivative_status`
- Added rest function `get_derivative_statuses`
- Added rest function `set_derivative_collateral`
- Added channel support `status`
- Added create_event_emitter as override in generic_websocket 
  for custom event emitters

1.0.0

- Removal of camel-casing file naming and git duplicates
  i.e bfx.client instead of bfx.Client


0.0.1

- Added change-log and PR/Issue templates