v2.0.1: [oAuth2] Configurable BASE URI (#9)

* [oAuth2] Configurable BASE URI

v2.0

Important change:

• $client->auth->exchangeAuthCode(...) will now return full array of token information instead of just the access_token key.

Returned example:

[
    'access_token' => 'e72e2116c7e4292c6912e7710c838347ae178bza',
    'token_type'   => 'bearer',
    'expires_in'   => 5184000
]

v1.3.1

Added support for new and upcoming API filters (#6)

v1.3: Test suite support (#4)

* Added support for test-suite endpoints.

* Updated docs

* Added project webhooks handler

* Fixed `ProjectUsersHandler@delete` endpoint.

* Added `webhooks` reference in `Project` entity.

* Added missing tests for new entity handlers.

* Removed global constant

* API `base_uri` now can be changed. Useful in local development and testing scenarios.

* Added missing variables

* Fixed webhooks URI

* DocBlock comments

* Implemented `find` for project sections

Base authorization path updates

v1.2

[!] Updated base authorization paths

Added support for Bug priority

[LT] Add a "Priority" field to the the bugs. (#1)

* Adding priority field to Bug Entity
* Priority Field Schema support