Changes: small fixes to AliSelector, AliSelectorRL, CorrectionMatrix AlidNdEtaAnalysisMCSelector uses Stack instead of TreeK directly AlidNdEtaCorrectionSelector, AlidNdEtaSystematicsSelector now PROOF ready PWG0base, PWG0dep only load the libraries that are not already loaded new PWG0Helper.C that contains functions to send a PROOF query, is used by makeCorrection2.C, makeSystematics.C, runMultiplicitySelector.C, testAnalysis2.C