history

* V08-00-26-07   
   * PR #9 and #10

* V08-00-26-06
   * add dimuon kinematic fit
   * add ghost muon cleaning variables
   * add Z kinematic fit

* V08-00-26-05 
   * add muon isolations with cone 0.3

* V08-00-26-04
   * add dimuon pairs 
   * add HZZ->4l muon ID variables

* V08-00-26-03
   * remove ES energy variable
   * only store the prescales of photon triggers to data
   * fix the order of prescales of photon triggers
   * store the systematic uncertainties for EGM scale correction and smearing

* V08-00-26-00
   * add a new variable jetID to store loose and tight jet ID
   * add IP3D variable to electrons and muons
   * remove unused photon variables for Moriond2017 and add photon seed crystal timing and energy
   * update jetID
   * move to HEEP V70 
   * update to newest EGM 80X regression
   * update to Summer16_23Sep2016 V4 JEC
   * update jet PF ID (not needed for Summer16 MC and re-miniAOD data)
   * move jet pt from 10 to 20 GeV
   * add JER smearing factors for MC
   * store MET filter decisions for MC as well
   * move to Moriond17 EGM scale correction and smearing
   * add MET filters for bad muons
   * add pre-scaled values for some single photon triggers
   * recompute MET with EGM gain switch correction on the fly for re-miniAOD data

* V08-00-24-00
   * update to EGM Spring16 photon IDs
   * update to newest EGM energy corrections

* V08-00-20-00
   * update to EGM Spring16 electron MVA ID
   * update to EGM Summer16 electron cut based IDs
   * add EGM HLT safe electron ID
   * update to V10 JEC
 
* V08-00-11-02
   * update jet ID
   * update the list of triggers
   * move muon ID variables from boolean to bit !
   * remove hasGoodVtx but add nGoodVtx
   * add muon energy fraction for AK4 jets
   * shorten the name of CSV2 b-tag

* V08-00-11-01 
   * remove unused MET uncertainties
   * remove unused photon PUPPI isolations
   * run MET correction and uncertainty when using new JES
   * add gen photons/leptons if it's last copy
   * change tag version 
   * update to 2016 ICHEP EGM corrections

* V08-00-11-00
   * update to 8_0_11
   * update MET fitlers
   * update EGM corrections to 7.65/fb of 2016 data

* V08-00-10-00
   * update to 8_0_10

* V08-00-08-00
   * update to 80X

* V07-06-03-00
   * update to 76X

* V07-04-16-01
   * update jets
   * update triggers
   * add histogram for GEN weight
   * add energy scale correction and smearing for electrons and photons
   * add PDF systematic weights (default : off)
   * add mini isolation for electrons and muons
   * store gluino if it is in GEN particles 

* V07-04-14-01
   * move to cut based 25ns photon ID
   * add in ES rechits of PF ES clusters in development mode
   * add photon shower shapes for high pt photon ID development

* V07-04-14-00
   * update run py files for new tag
   * remove HLT 50ns variables
   * add new triggers
   * change jet ID to 13 TeV one
   * fix missing tau IDs
   * add triggering electron MVA ID
   * add conversion variables 
   * add b-tag and GEN jet for merged jets
   * add central rho
   * update MET filters
   * split MET from globalEvent.cc
   * add MET uncertainties

* V07-04-09-03
   * add the decision of 5 muon IDs
   * decrease muon pt threshold to 3 GeV
   * update diphoton triggers and filters
   * add BC variables for electrons

* V07-04-09-02
   * add GEN jets
   * split photon trigger matching into 2 variables (one for single photon and one for double photon)
   * fix |1/E - 1/p| 

* V07-04-09-01
   * use the right sqlite file for data

* V07-04-09-00
   * add MET filters
   * add MET correction and uncertainties
   * add GSF hits to electrons
   * add single photon and diphoton trigger filters
   * update to newer b-tagger
   * add b-tagger for AK8 jets
   * update to newest EGM IDs
   * add muon energy
   * add more 50 ns and 25 ns triggers
   * add PU jet ID
   * add jet variables for JEC
   * add JEC uncertainty
   * set jet pt threshold to 10 GeV for AOD
   * add Frixione cone variables when running on mini-AOD 

* V07-04-05-05
   * fix the problem of PF photon and NH isolation for photons
   * add low pt electrons and muons decaying from W/Z at generator level
   * add GSF tracks associated with the SC

* V07-04-05-04
   * add energy of two preshower planes for energy regression
   * add single photon 165 GeV trigger matching
   * fix HLT decisions
   * change nVtx to the total number of reconstructed vertices instead of number of good vertices

* V07-04-05-03
   * fix missing photon isolations when running on miniAOD
   * add event weight 

* V07-04-05-02
   * fix problem with trigger objects when running on miniAOD
   * make py file to run on both AOD and miniAOD for data
   * remove obsolete py files to avoid confusion

* V07-04-05-01
   * add new 50ns triggers
   * remove duplicated variables in taus

* V07-04-05-00
   * using seletedPatJetsAK4PFCHS instead of just selectedPatJets
   * add 50ns HLT information
   * add a flag to determine whether users want to dump photons or not (default : dump photons)
   * merge 74X MC status flag and decay type to the same variable (mcStatusFlag)
   * add 74X MC status flags (fromHardProcessFinalState, isPromptDecayed, fromHardProcessBeforeFSR)
   * store FSR photons (radiated off leptons) without any pt cut
   * only store W/Z/H/b/t with fromHardProcessBeforeFSR == true
   * fix prompt photons with momther PID = -999 always
   * add vertex of primary vertex
   * rename mcVtx_x, mcVtx_y and mcVtx_z to mcVtx, mcVty and mcVtz
   * only compute generator level isolations for photons and leptons to save CPU time
   * remove useless 2nd BC variables 
   * move to HEEP ID V60
   * add preliminary trigger matching (still in development)

* V07-04-02-03
   * change electron and photon ID from 64-bit to 8-bit 

* V07-04-02-02
   * add HLT paths of Run2 startup and remove genMET variables from data ntuple

* V07-04-02-00
   * first tag for Run2 stable beam