This function performs a sync of the conditions of the app you are working with.
The experiment conditions must need to be set prior to logging in using ig_auth by
first using options(Rinstapkg.experiments="...")
.
ig_sync_features(features = getOption("Rinstapkg.experiments"),
verbose = FALSE)
character; a long string with commas separating each of the experimental values to be set
logical; do you want informative messages?