Introducing polymorphic function cache (ported from phalcon 1.3)
Initializing variables in calls to NULL
Adding debug flag to phpunit, using environment CFLAGS if set
Removing extra memory observe in getVariableForObserveOrNullify
Porting simplified require from Phalcon 1.3
CLANG fixes
Fixing json_encode/json_decode optimizers
Fixing get_called_class optimizer
Variables that receive function calls must be initialized to NULL
Fixed scope calling static methods, disabling ternary test