Release v1.1.5

Merge pull request #6 from messagebird/version-bump

Version bump

Release v1.1.4

Added the possibility to backtrace all exceptions to MessageBirdException

Release v1.1.3

Bugfix and style change

Release v1.1.2

Codestyle changes

Release v1.1.1

Added inline documentation

Release v1.1.0

Added text to speech

Release v1.0.0

This is the first version of the PHP REST API client.