message: edited change log to reflect updates
diff: +# Version 0.10.5 (July 25, 2019)
  +
  +## Breaking Changes
  +- The `PaymentSourceParams` struct was edit to only include a `TokenId` and `SourceId` as per improvements to the API.
  +- The `charge.source` field to create a `Charge` was fixed to accept the new struct `PaymentChargeParams`.
  +
  # Version 0.10.4 (July 12, 2019)
  ## Improvements
  