added doc file for pipe operator to then have imported from magrittr
minor doc changes to eleevatio nfile
added jsonlite and magirttr to imports
added a bunch of download fxns, propably more work to do, #109
fixed doc files for occ_download fxns
replaced RJSONIO with jsonlite across all fxns
removed rjsonio call from a deprecated fxn, bumped date and ver
fixed some broken tests