Version 10.0.0

## Version 10.0.0
### Added
* NoTask - added brandwatch client user post method
* NoTask - updated brandwatch client modules endpoint
* NoTask - updated travis.yml to create pre release gem on staging branch
* NoTask - Refactored request to break out request options logic
* NoTask - Added csv middleware and the ability to include a response extension

### Fixed
* NoTask - Added missing client_id for PUT brandwatch/clients/client_id/modules
* 158 - fixed small bug where options could not be passed in client_user_groups method