anchor.diff:  When used as a portfolio (for virtual currency), transactions add or remove units too.
   And feel free to invent new uses!
   
  -### Create transaction [POST]
  +## POST /v1/gamer/tx
  +
   A transaction is a Hash where the key is the unit, and the value is a positive (credit) or negative (debit) amount.
   So a single transaction can both credit and debit different units.
   
  
positive.code:         }  
  
  
  ## BestScores [/v1/gamer/bestscores]
  
  ### Get all the gamer's bestscores [GET]
  
  + Request (application/json)
  
  
negative.code: **Note:** It is your responsibility to store these to help the user log in later (in RAW mode).
  
  
  ## POST /v1/gamer/login
  
  
  ### Body description
  
  