Avoid a strict error
Detect SPL when the plugin is activated and trigger a sandbox error if it's not available
Avoid an unneccessary `class_exists()` check that triggers the autoloader and always fails
Avoid a warning when PDO or Mysqli is in use. See #25.
Tweak PHP error_reporting in the Environment component
More complete support for custom db drivers. Props ungestaltbar. Fixes #25
Remove our autoloader and load all classes explicitly (there's only four anyway). See #7
Rearrange a bit of logic
Updated CSS for WordPress 3.8. Retains support for default 3.7 and MP6 on 3.7. Fixes #16
Merge branch 'develop'
Mark as 2.5.4