versions:
  - number: 0.1
    date: 2015-09-01
    description: creation based on IBM FSI spec contib
  - number: 0.2
    date: 2015-09-02
    description: comment correction as per review
  - number: 0.3
    date: 2016-05-05
    description: public review draft
  - number: 0.4
    date: 2016-08-16
    description: correction chapter 1 added definition & chapter 4 typo
  - number: 1.0.0
    date: 2016-12-12
    description: workgroup specification
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