anchor.diff:     stringr_1.2.0.tar.gz \
      knitr_1.15.1.tar.gz \
      yaml_2.1.14.tar.gz \
  -   Rcpp_0.12.19.tar.gz \
  +   Rcpp_0.12.10.tar.gz \
      htmltools_0.3.5.tar.gz \
      caTools_1.17.1.tar.gz \
      bitops_1.0-6.tar.gz \
  
positive.code:    whisker_0.3-2.tar.gz \
     bitops_1.0-6.tar.gz \
     RCurl_1.95-4.8.tar.gz \
     Rcpp_0.12.19.tar.gz \
     plyr_1.8.4.tar.gz \
     R6_2.2.0.tar.gz \
     mime_0.5.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 \
     curl_2.3.tar.gz \
  