anchor.diff:     http://archive.linux.duke.edu/cran/src/contrib/mime_0.5.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/httr_1.2.1.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/RCurl_1.95-4.8.tar.gz \
  -   http://archive.linux.duke.edu/cran/src/contrib/Rcpp_0.12.19.tar.gz \
  +   http://archive.linux.duke.edu/cran/src/contrib/Rcpp_0.12.10.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/BH_1.62.0-1.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/xml2_1.1.1.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/curl_2.3.tar.gz \
  
positive.code:    stringr_1.2.0.tar.gz \
     knitr_1.15.1.tar.gz \
     yaml_2.1.14.tar.gz \
     Rcpp_0.12.19.tar.gz \
     htmltools_0.3.5.tar.gz \
     caTools_1.17.1.tar.gz \
     bitops_1.0-6.tar.gz \
  
negative.code:    whisker_0.3-2.tar.gz \
     bitops_1.0-6.tar.gz \
     RCurl_1.95-4.8.tar.gz \
     Rcpp_0.12.10.tar.gz \
     plyr_1.8.4.tar.gz \
     R6_2.2.0.tar.gz \
     mime_0.5.tar.gz \
  