bef.get.attachments: no visible global function definition for
  'read.csv'
bef.get.attachments: no visible global function definition for
  'flush.console'
bef.get.attachments_for: no visible global function definition for
  'read.csv'
bef.get.attachments_for: no visible global function definition for
  'flush.console'
bef.get.categories_for: no visible binding for global variable 'id'
bef.get.categories_for: no visible global function definition for
  'read.csv'
bef.get.dataset: no visible global function definition for 'read.csv'
bef.get.dataset_by: no visible global function definition for
  'read.csv'
bef.get.datasets.for_keyword : <anonymous>: no visible global function
  definition for 'read.csv'
bef.get.datasets.for_proposal: no visible global function definition
  for 'read.csv'
bef.goto.dataset_page: no visible global function definition for
  'browseURL'
bef.goto.proposal_page: no visible global function definition for
  'browseURL'
bef.portal.get.attachments: no visible global function definition for
  'read.csv'
bef.portal.get.attachments: no visible global function definition for
  'flush.console'
bef.portal.get.attachments_for: no visible global function definition
  for 'read.csv'
bef.portal.get.attachments_for: no visible global function definition
  for 'flush.console'
bef.portal.get.categories_for: no visible binding for global variable
  'id'
bef.portal.get.categories_for: no visible global function definition
  for 'read.csv'
bef.portal.get.dataset: no visible global function definition for
  'read.csv'
bef.portal.get.dataset_by: no visible global function definition for
  'read.csv'
bef.portal.get.datasets.for_keyword : <anonymous>: no visible global
  function definition for 'read.csv'
bef.portal.get.datasets.for_proposal: no visible global function
  definition for 'read.csv'
upload_file: no visible global function definition for 'write.csv'
Undefined global functions or variables:
  browseURL flush.console id read.csv write.csv
Consider adding
  importFrom("utils", "browseURL", "flush.console", "read.csv",
             "write.csv")
to your NAMESPACE file.