V3.9.4

• swap operator (:=:) did not work correctly with global variables
• fix issue with ANDALSO or ELSE processing producing corrupt code
• CharInstri was not preserving D4-D6 causing issues with OPTI enabled
• checks for arrays and object properties being used with :=:
  (raise syntax error as these are currently not supported)
• ListClone did not allocate the correct amount of memory for the new List