Make phpcs happy again.

Move all tests into a dedicated namespace and folder.

Update composer locks.

Improve command constructor test

Check for the number of failed attempts instead of the content of the exception message, as the message can be quite different between PHP versions and HHVM.

Improve inline keyboard button

Fix return value for handle() method.

Add issue and pull request templates.

[skip ci]

Correct DocBlock comments.

Update inline comments for hook.php and getUpdatesCLI.php

Make sure that logging is set directly after Telegram object initialisation. (thanks @jacklul for pointing this out)
Proofread and update utils.md file.

Update readme and examples for enableAdmin(s)