Oops, forgot to export PETITCOMPILER_DATA_DIRECTORY variable
...so Smalltalk code could not read it. Also fixed test for "include" scripts
so they are not downloaded again when already downloaded.
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
Warning subclass:#PPCCompilationWarning
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Exceptions'
!