Authentication token cache

Merge pull request php-opencloud#177 from php-opencloud/micro-version

Specify service micro version

Merge pull request php-opencloud#153 from casperboone/server-fault

Add fault property to Server

Merge pull request php-opencloud#131 from php-opencloud/composer-json

Added project description, tags, and license details

Merge pull request php-opencloud#125 from samuel4x4/patch-1

Endpoint model implements Retrievable interface

QuotaSet for blockstorage v2

Merge pull request php-opencloud#123 from samuel4x4/patch-1

Add support for creating policies

Merge pull request php-opencloud#118 from php-opencloud/bug-role-assi…

…gnents

Fix bug list role assignments returns empty

Project quota sets

- List Hypervisors, retrieve hypervisor statistics.

- Created fixed IP network port
- Fix bug in retrieving network port
- Update doc