Pyodoo

- Changed upstream URL to https
- Replaced nose with pytest
- Moved all the Model methods from Api to Model
- Added Model method count
- Added options to Api method do_delete
- Added options to every Model method
- Added pagination's limit and offset arguments to every Model method
- Added Model method get_fields

- Added some samples for async usages using awaitable

- Added method all which returns all the rows in the model (closes 1)
- Added properties for get and set the default language (closes 2)
- Added __version__ member with the version number

- Added authenticate method to authenticate model objects
- Added ActiveStatusChoice to method find to get also active or inactive rows during the selection
- The method get always returns a single row or None
- Added nose tests

- Added the model name to the Model class and passed to the Api objects
- Everything will be managed by the Model class

- Added travis.yml
- Added circleci configuration