changed meta from searchplos to output data.frame insetad of list
updated vignette, removed egs of stuff that n olonger works, updated vign style
also updated plot_throughtime to have better plot defaults
fixed convenicenc fxns wrapping searchplos to match no callopts and check for oldl params
fixed 2 tests
started adding note about website behavior, #76
and fixed meta output so that it gives result of actual query, not the pregamed query
closes #76