stabilize new Range type and iterator
stabilizes `core::range::Range` stabilizes `core::range::RangeIter` stabilizes `std::range` which was missed in prior PRs Updates docs to reflect stabilization (removed "experimental") `RangeIter::remainder` is excluded from stabilization
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Peter Jaszkowiak committed
620e92f0166738113eac8ec774253501324a6e75
Parent: cf7da0b