Update for PKG-P in WRITE-SYMBOL, return values from WRITE-REFERENCE-EXPRESSION
Update for PKG-P in WRITE-SYMBOL, return values from WRITE-REFERENCE-EXPRESSION

- Update PKG-P handling in WRITE-SYMBOL

- Update inline test cases for WRITE-SYMBOL

- Always return STREAM from WRITE-REFERENCE-EXPRESSION

- Update the syntax of the IGNORE declration in the
  WRITE-REFERENCE-EXPRESSION for non-simple array values

MetaCommunity/mci-cltl-utils