revise report plugin spec so that one plugin can produce multiple report files
report plugin returns an Array of Pairs, not just a Pair
change test accordingly
revise post-cache documentation
change no-report & no-completion to without-* to be consistent with without-processing
remove no-cache, as its not in get-config
Revise milestone handling
collect process can be stopped before AND after each stage
change :end to :after to be compatible with :before
:after implies no plugins triggered for a milestone, before implies plugins triggered
dump-at implies plugins triggered
change tests to reflect new specifications
milestone information object includes plugins-used array of hashes
revise README documentation