Add a changelog

CHANGELOG.md

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+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+
+## [0.3.16] - 2016-07-27
+### Added
+- Implement Debug for mote non-public types
+- implement `Rand` for (i|u)i128
+- Support for Fuchsia
+
+### Changed
+- Add inline attribute to SampleRange::construct_range.
+  This improves the benchmark for sample in 11% and for shuffle in 16%.
+- Use `RtlGenRandom` instead of `CryptGenRandom`
+
+
+## [0.3.15] - 2016-11-26
+### Added
+- Add `Rng` trait method `choose_mut`
+- Redox support
+
+### Changed
+- Use `arc4rand` for `OsRng` on FreeBSD.
+- Use `arc4random(3)` for `OsRng` on OpenBSD.
+
+### Fixed
+- Fix filling buffers 4 GiB or larger with `OsRng::fill_bytes` on Windows
+
+
+## [0.3.14] - 2016-02-13
+### Fixed
+- Inline definitions from winapi/advapi32, wich decreases build times
+
+
+## [0.3.13] - 2016-01-09
+### Fixed
+- Compatible with Rust 1.7.0-nightly (needed some extra type annotations)
+
+
+## [0.3.12] - 2015-11-09
+### Changed
+- Replaced the methods in `next_f32` and `next_f64` with the technique described
+  Saito & Matsumoto at MCQMC'08. The new method should exhibit a slightly more
+  uniform distribution.
+- Depend on libc 0.2
+
+### Fixed
+- Fix iterator protocol issue in `rand::sample`
+
+
+## [0.3.11] - 2015-08-31
+### Added
+- Implement `Rand` for arrays with n <= 32
+
+
+## [0.3.10] - 2015-08-17
+### Added
+- Support for NaCl platforms
+
+### Changed
+- Allow `Rng` to be `?Sized`, impl for `&mut R` and `Box<R>` where `R: ?Sized + Rng`
+
+
+## [0.3.9] - 2015-06-18
+### Changed
+- Use `winapi` for Windows API things
+
+### Fixed
+- Fixed test on stable/nightly
+- Fix `getrandom` syscall number for aarch64-unknown-linux-gnu
+
+
+## [0.3.8] - 2015-04-23
+### Changed
+- `log` is a dev dependency
+
+### Fixed
+- Fix race condition of atomics in `is_getrandom_available`
+
+
+## [0.3.7] - 2015-04-03
+### Fixed
+- Derive Copy/Clone changes
+
+
+## [0.3.6] - 2015-04-02
+### Changed
+- Move to stable Rust!
+
+
+## [0.3.5] - 2015-04-01
+### Fixed
+- Compatible with Rust master
+
+
+## [0.3.4] - 2015-03-31
+### Added
+- Implement Clone for `Weighted`
+
+### Fixed
+- Compatible with Rust master
+
+
+## [0.3.3] - 2015-03-26
+### Fixed
+- Fix compile on Windows
+
+
+## [0.3.2] - 2015-03-26
+
+
+## [0.3.1] - 2015-03-26
+### Fixed
+- Fix compile on Windows
+
+
+## [0.3.0] - 2015-03-25
+### Changed
+- Update to use log version 0.3.x
+
+
+## [0.2.1] - 2015-03-22
+### Fixed
+- Compatible with Rust master
+- Fixed iOS compilation
+
+
+## [0.2.0] - 2015-03-06
+### Fixed
+- Compatible with Rust master (move from `old_io` to `std::io`)
+
+
+## [0.1.4] - 2015-03-04
+### Fixed
+- Compatible with Rust master (use wrapping ops)
+
+
+## [0.1.3] - 2015-02-20
+### Fixed
+- Compatible with Rust master
+
+### Removed
+- Removed Copy inplementaions from RNGs
+
+
+## [0.1.2] - 2015-02-03
+### Added
+- Imported functionality from `std::rand`, including:
+  - `StdRng`, `SeedableRng`, `TreadRng`, `weak_rng()`
+  - `ReaderRng`: A wrapper around any Reader to treat it as an RNG.
+- Imported documentation from `std::rand`
+- Imported tests from `std::rand`
+
+
+## [0.1.1] - 2015-02-03
+### Added
+- Migrate to a cargo-compatible directory structure.
+
+### Fixed
+- Do not use entropy during `gen_weighted_bool(1)`
+
+
+## [Rust 0.12.0] - 2014-10-09
+### Added
+- Impl Rand for tuples of arity 11 and 12
+- Include ChaCha pseudorandom generator
+- Add `next_f64` and `next_f32` to Rng
+- Implement Clone for PRNGs
+
+### Changed
+- Rename `TaskRng` to `ThreadRng` and `task_rng` to `thread_rng` (since a
+  runtime is removed from Rust).
+
+### Fixed
+- Improved performance of ISAAC and ISAAC64 by 30% and 12 % respectively, by
+  informing the optimiser that indexing is never out-of-bounds.
+
+### Removed
+- Removed the Deprecated `choose_option`
+
+
+## [Rust 0.11.0] - 2014-07-02
+### Added
+- document when to use `OSRng` in cryptographic context, and explain why we use `/dev/urandom` instead of `/dev/random`
+- `Rng::gen_iter()` which will return an infinite stream of random values
+- `Rng::gen_ascii_chars()` which will return an infinite stream of random ascii characters
+
+### Changed
+- Now only depends on libcore!   2adf5363f88ffe06f6d2ea5c338d1b186d47f4a1
+- Remove `Rng.choose()`, rename `Rng.choose_option()` to `.choose()`
+- Rename OSRng to OsRng
+- The WeightedChoice structure is no longer built with a `Vec<Weighted<T>>`,
+  but rather a `&mut [Weighted<T>]`. This means that the WeightedChoice
+  structure now has a lifetime associated with it.
+- The `sample` method on `Rng` has been moved to a top-level function in the
+  `rand` module due to its dependence on `Vec`.
+
+### Removed
+- `Rng::gen_vec()` was removed. Previous behavior can be regained with
+  `rng.gen_iter().take(n).collect()`
+- `Rng::gen_ascii_str()` was removed. Previous behavior can be regained with
+  `rng.gen_ascii_chars().take(n).collect()`
+- {IsaacRng, Isaac64Rng, XorShiftRng}::new() have all been removed. These all
+  relied on being able to use an OSRng for seeding, but this is no longer
+  available in librand (where these types are defined). To retain the same
+  functionality, these types now implement the `Rand` trait so they can be
+  generated with a random seed from another random number generator. This allows
+  the stdlib to use an OSRng to create seeded instances of these RNGs.
+- Rand implementations for `Box<T>` and `@T` were removed. These seemed to be
+  pretty rare in the codebase, and it allows for librand to not depend on
+  liballoc.  Additionally, other pointer types like Rc<T> and Arc<T> were not
+  supported.
+- Remove a slew of old deprecated functions TODO    c95d74f040975586676c729179c74028ef080446
+
+
+## [Rust 0.10] - 2014-04-03
+### Changed
+- replace `Rng.shuffle's` functionality with `.shuffle_mut`
+- bubble up IO errors when creating an OSRng
+
+### Fixed
+- Use `fill()` instead of `read()`
+- Rewrite OsRng in Rust for windows
+
+## [0.10-pre] - 2014-03-02
+### Added
+- Seperate `rand` out of the standard library
+