alphagov/EFG — pull request #177 by jabley (2013-11-20 11:46:23+00:00)
Title: Keep the exact amount, rather than random delta

https://github.com/sunitparekh/data-anonymization/blob/master/lib/strategy/field/number/random_integer_delta.rb
https://github.com/sunitparekh/data-anonymization/blob/master/lib/strategy/field/default_anon.rb