define position vector utils, default cartesian
Merge pull request #165 from elaird/position-vector

define position vector utils, default cartesian
class reweights(analysisStep)
slice by slice operations on 2D histogram
min/max protection
Merge pull request #167 from elaird/new-tools

New tools
begin to document output
maxreplace=1 when substituting childName; shorten lines in constructor
whitespace in constructor
either 1D or 2D, not both; 2D really only needs one of symm|anti
implement value2d histo with one example
autoBook accepts singlets
dimensional generalization of 'value'
cosmetics
use slice index rather than tempdir
outflag
condor output spec
Merge pull request #169 from elaird/value2d-alt

Value2d alt
Merge pull request #168 from elaird/value2d

implement value2d histo with one example
out.name