* 3.x:
Deprecate using Node directly, introduce EmptyNode and Nodes
Add support for inline comments
Update plural.rst: Fixing(?) broken links
Fix CS
Add support for accessing class constants with the dot operator
Fix getting a property on an object casted to an array
Replace strtr() by strtolower()
Improve escape deprecation message
Remove useless assign in compiled code
Add fixture filename as key
Be more precise about double-escaping
Fix template name in error for an unknown dynamic extends called from an include
* 3.x:
Move FunctionExpression/FilterExpression/TestExpression attributes from compilation time to parsing time
Cleanup the implementation of the defined test for constants