def upload folder_path, filename, file, options={}
      response = put("/#{folder_path}/files/#{filename}", file.read, options)
    end
def upload folder_path, filename, file, options={}
      response = put("/#{folder_path}/files/#{filename}", file.read, options)
    end
Upload a file
 @param [String] folder_path Either 'me/skydrive' or FOLDER_ID(id of the parent folder)
 @param [String] filename Name of the new file
 @param [File] The actual file to be uploaded
 @param [Hash] options Any additional options to be passed
 @option options [Boolean] :overwrite whether to overwrite the file
 @return [Skydrive::File] the created file with minimum details