code: def processAndSetDefaults(self):
          
          # INPUT, OUTPUT, GIVEN + BUILDABLE DEPS
          if not self.input:
              raise ValueError(NO_INPUT_FILE)
  
          if not self.output:
              # Build directory must exist, right?
              if not self.build_directory:
                  File()
              pass  # Can it be built? / reference self.output_format for this
          else:
              pass  # if it is not congruent with other info provided
  
          if not self.build_directory:
              pass  # Initialize it
  
          for dependency in self.given_dependencies:
              pass  # Check if the dependcy exists
  
          if self.output_format != self.output.getType():
              raise ValueError("")
          # Given dependencies must actually exist!
          # output_name must be at a lower extenion level than input_name
          # The build directory
          return
docs: The heart of the 'Instruction' object. This method will make sure that
          all fields not entered will be defaulted to a correct value. Also
          checks for incongruities in the data entered, if it was by the user.