cordyceps v0.2.1

Added

• DoubleEndedIterator for List (#207) (a9c4f1b)
• Impl ExactSizeIterator for List (#208) (a5e6814)
• Add list::IterMut (#208) (f5d6ea1)
• Impl IntoIterator for List (#208) (1e95127)
• Add List::{front, back, front_mut, back_mut} (#211) (f120827)
• Add List::drain_filter (#212) (dc2e638)

Fixed

• Pin list::IterMut items (#209) (2e5a270)