message: Version: bump `purser-core` up to `2.0.0-rc.0`
diff: {
  "name": "@colony/purser-core",
  - "version": "1.1.2-rc.0",
  + "version": "2.0.0-rc.0",
  "description": "A collection of helpers, utils, validators and normalizers to assist the individual purser modules"
  }
  