export(addmissing)
export(concat_todf)
export(crossref)
export(crossref_r)
export(formatarticleurl)
export(getkey)
export(insertnones)
export(journalnamekey)
export(ldfast)
export(plosabstract)
export(plosauthor)
export(plosfigtabcaps)
export(plossubject)
export(plostitle)
export(plosviews)
export(plosword)
export(plot_throughtime)
export(searchplos)
import(RCurl)
import(RJSONIO)
import(XML)
import(ggplot2)
import(httr)
importFrom(googleVis,gvisMotionChart)
importFrom(lubridate,now)
importFrom(plyr,compact)
importFrom(plyr,ddply)
importFrom(plyr,ldply)
importFrom(plyr,llply)
importFrom(plyr,rbind.fill)
importFrom(reshape2,melt)
importFrom(stringr,str_extract)
importFrom(stringr,str_replace)
importFrom(stringr,str_split)
importFrom(stringr,str_sub)
