changed some fxn names to not be so damned long, #183
comm2sci and sci2comm now with simplified output to charcter vector of names, addtn egs for a few fxns, #183
changed a number of fxns to have lowercase data.frame col names, #183
added seealso to the three get genes functions
all fxns col headers changed to lowercase, closes #183
ldfast fxn name changed to taxize_ldfast to avoid namespace conflicts with other pkgs