0.1.0-alpha1

Merge branch 'develop'

* develop: (78 commits)
  Update installation instructions: require-dev with command too
  Remove Scrutinizer badge
  Update README for VersionEye reference
  Remove and ignore composer.lock
  Add prefer-stable to composer.json
  Fix PHP 7 ready badge
  Fix composer.lock
  Reformat code for PSR-2 coding standards
  Empty line after opening php tag
  4 spaces for indentation
  Tests failed because of bad refactor
  Remove static::escape and unreachable code
  Minimum-stability RC for composer.json
  And now 7.1 actually succeeds ...
  7.1 fails because of travis install failure
  Use assertRegExp where required
  Rename helper functions so the name makes sense
  Tests in actual test method for options
  Tests in actual test method for commands
  Initialization with ()
  ...

# Conflicts:
#	composer.json