Merge branch 'release/v0.5.2' into develop

* release/v0.5.2:
  Bumping version to v0.5.2
  Adding v0.5.2 to CHANGELOG
  Updating build status image in README
Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/mcrumm/phlack/inspections/2e913686-a9a4-491a-bd8d-85770b8e4233

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer
Merge pull request #8 from mcrumm/scrutinizer-patch-1

Scrutinizer Auto-Fixes
Adding clover config for phpspec code coverage
Adding config for scrutinizer-ci
Adding after_script to travis to send code coverage to scrutinizer-ci
Scrutinizer-ci fixes
Bumping version to 0.5.3, updating CHANGELOG, adding code coverage badge to README
Merge branch 'release/v0.5.3'

* release/v0.5.3:
  Bumping version to 0.5.3, updating CHANGELOG, adding code coverage badge to README
  Scrutinizer-ci fixes
  Adding after_script to travis to send code coverage to scrutinizer-ci
  Adding config for scrutinizer-ci
  Adding clover config for phpspec code coverage
  Scrutinizer Auto-Fixes