* Added pre-receive environment client
https://developer.github.com/v3/enterprise-admin/pre_receive_environments
* Added unit and integration tests for the pre-receive environments client
* moved test setup outside of tests
* fixed unit test
* Added reactive components for pre-receive environment endpoints
* Debugger display's and non public setters on response object conventions
* removed redundant parameter attributes
implemented update request independently of new request
changed ints to longs for future proofing
updated unit tests
changed update integration tests to create a new update request to ensure optional values function
* updating reactive environmentids to longs as well
* also converting response id to a long
* Fixed an incorrect unit test
renamed some test variable names for consistency
Added mockable ctors on responses, and parameterless ctors to maintain functionality
* Adding missing state parameter
* rename client member accessor to singular form in accordance with octokit naming conventions
* fixup tests
* add integration tests for observable client
tasadar2