Remove Telemetry.Period, it was too magical to some
Remove Telemetry.Period, it was too magical to some

- fix Telemetry.wallclock: it shouldn't return since epoch
- improved snap() subroutine, now also allows pushing to a given array
- added periods() subroutine, for generating a Seq of Telemetry::Period objects

salortiz/rakudo,labster/rakudo,awwaiid/rakudo,tony-o/rakudo,MasterDuke17/rakudo,nbrown/rakudo,Gnouc/rakudo,tbrowder/rakudo,nbrown/rakudo,softmoth/rakudo,tbrowder/rakudo,labster/rakudo,salortiz/rakudo,MasterDuke17/rakudo,rakudo/rakudo,rakudo/rakudo,labster/rakudo,tony-o/rakudo,tbrowder/rakudo,tony-o/rakudo,salortiz/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,tony-o/rakudo,labster/rakudo,nbrown/rakudo,nbrown/rakudo,softmoth/rakudo,Gnouc/rakudo,lucasbuchala/rakudo,labster/rakudo,lucasbuchala/rakudo,rakudo/rakudo,softmoth/rakudo,lucasbuchala/rakudo,salortiz/rakudo,nbrown/rakudo,MasterDuke17/rakudo,softmoth/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,tony-o/rakudo,Gnouc/rakudo,awwaiid/rakudo,lucasbuchala/rakudo,awwaiid/rakudo,salortiz/rakudo,Gnouc/rakudo,rakudo/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,Gnouc/rakudo,awwaiid/rakudo,labster/rakudo,rakudo/rakudo,salortiz/rakudo,rakudo/rakudo,nbrown/rakudo,tbrowder/rakudo,awwaiid/rakudo,lucasbuchala/rakudo,tony-o/rakudo,softmoth/rakudo