Function Name: get_user_percentage
Description: Get a users correct percentage for each correction type
Parameters:

• user: Optional. If specified will filter the results for the specified username, otherwise will filter for current user.
• type: The type of error to filter the results, the percentage and counts will be presented for the specified type. The possible values are the following:
  • only_total: Return percentage totals considering the info of all error types.
  • grammar: Return only grammar error type.
  • factual: Return only factual error type.
  • spelling: Return only spelling error type.
  • other: Return only other error type.
  • all: Return a list of percentages for all error types, but spitted by error type.

Return:

• status: The status of the result, 0 for OK, 1 for error (look at the error code and messages)
• total: Total errors reported by the user.
• accepted: The number of errors accepted from those reported.
• percentage: A percentage of errors accepted in relation with the total.
• type: The type of error that was requested.
• username: The username that was used for the filter.