changed ntuple version
Merge branch 'jp/skimming'
Merge branch 'jp/skimming'
Merge branch 'jp/skimming'
fixed issue with wrong is_na due to missing pars
fixed typo in exception handling
fixed bdiscriminator error from case, updated test file
added file with flat cross-sections
read cross-section table
merge
prefix for sample name
Merge branch 'jp/skimming'

Conflicts:
	src/headers/stpol.py
Merge branch 'master' into jp/skimming

Conflicts:
	src/ntuple
fixed captures