Update README.md
Checked in additional examples; renames example files
Expanded package documentation
Updated vignette with makeRepo() example
Added import from httr
Fixed errors in examples
Updated package documentation
Bumped version number to 0.0-18
Updated vignette with makeRepo() example
Expanded package documentation
Added \dontrun{} sections to examples to reduce R CMD check runtime
Bumped version to 0.0-20