PSR-1
Tidy up
Add visibility to constructors
PHPDoc
Spacing
Tidy SQL
Missing globals in (unused) report code
Error handling
Rename inconsistent method name
Remove global $TEXT_DIRECTION
Globals
Unused code
Compare nulls and booleans strictly
Comments
Namespaces should consist of both vendor and package
WIP
Refactor classes to use namespaces, as per PSR-4. Replace GPL2 with GPL3.
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