PPCConfiguration refactoring: [7/10]: allow to configure passes
...run during compilation by setting a collection of passes to run.
Got rid of PPCPluggableConfiguration and PPCConfiguration subclasses.
Removed a bunch of options used to suppress certain passes.
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
Warning subclass:#PPCCompilationWarning
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Exceptions'
!