Fix argument documentation for the function fecth from quiet: to quiet.
Remove any line printing commands from the function .onLoad() and place these in a function check_for_retriever() that is now called by .onLoad()
New format for documentation and NAMESPACE files per the new version of roxygen2
Merge pull request #33 from dmcglinn/pass_cran_checks

Small changes that attempt to ensure the pkg will pass the CRAN checks