Fixed bug in PHAR updater

Fixed bug in PHAR update mechanism

Overall size reductions

• Removed need for a Kernel class by doing manual bootstrapping
• Consequently reduced PHAR size by half (6 -> 3mb)

First stable release

• Fixed major bug in the loading of kubernetes configuration files
• Added caching for Composer dependencies
• Tweaked Travis configuration to run builds as fast as possible

PHAR, doc and test improvements

• PHAR: Fixed issue with determining currently installed version
• Added GIF to README and a script for generating them in the future
• Added loader tests using a virtual file system
• Created proxy class for the Dotenv implementation so it can be mocked during tests

Dependency injection + examples

• Implemented dependency injection to improve SRP and testability.
• Added examples for clarification and smoke testing.

Implemented docker-compose

Implemented docker-compose for a uniform development environment.

Initial release

Created initial implementation for DotEnv (specification) and K8S (implementation).