changed pi0-example for testing. GH1 contains now only GScaCor.
No name changes in GScaCor anymore. Directories are no member variables anymore. Objects are written to the current dir, similar to ROOT.
added Scale function and getters for histograms to GHistScaCor.
removed PPhysics for testing.
THistLinked is not derivated from TH1D anymore. No downwards compatiblity with TH1D anymore. This makes everything easier in coding.
introduce function PrepareWrite. All Directories and Histograms are created before writing.
changed pi0-example for testing.
change for testing. GH1 contains now also GHistTaggerBinning.
No name changes in GTaggerBinning anymore. Directories are no member variables anymore. Objects are written to the current dir, similar to ROOT.
structure of GHistTaggerBinning changed. The derived class is the sum, all the bins are in the TObjArray.
Getters for GHistScaCor and Scale function added.
fixed Add() function in GHistScaCor.
first idea for a seperation of PrepareWrite and Write.
first idea of GHistWriteList. All Histograms will be added to Lists corresponding to the Folders.
This list will be written sequencly, all Folders will be completely filled in one write.
changed pi0-example for testing. GH1 contains now only GScaCor.
Added Calc Result, to seperate summing histograms and writing. Also several bugfixes in GHistScaCor.
Revert "changed pi0-example for testing. GH1 contains now only GScaCor."

This reverts commit 5b04eee38c6af131a58a857ef85ed85f91a44d07.
small bugfixes in GHistTaggerBinning.
Added CalcResult to GHistGBSub. Several changes to get GHistBGSub working. Problems with TaggerBinning in GHistBGSub.
TaggerBinning is OK in Prompt and Rand windows, but empty in RandSum and result.
reset PPio-example to the version before testing.
Use TFileCacheWrite for output file.