* phrase fudge factor "deltas" in terms of the original period * increase the delta allowed for chore timing from 5% to 20% * improve some assertions Closes #328 Signed-off-by: Reid Chan <reidchan@apache.org> Signed-off-by: Sakthi <sakthivel.azhaku@gmail.com> (cherry picked from commit 9aee88e03a376702cad4f5e84acefafad2abf99c)