[maven-release-plugin] prepare for next development iteration
String representations for ops
include scaled logistic function
scaled logistoc tests
indexed addmultiple checks
doc edits
extra addMultiple overrides
addmultiple overrides
addMultiple tests, fixes for BitVector
more addMultiple tests
[maven-release-plugin] prepare release vectorz-0.12.1
Merge branch 'develop' (early part)