Update derive_more requirement from 0.15.0 to 0.99.1

[dependabot-preview]

Updates the requirements on derive_more to permit the latest version.

Changelog

Sourced from derive_more's changelog.

0.99.1 - 2019-11-12

Fixes

• Hotfix for a regression in allowed From derives
  (#105)

0.99.0 - 2019-11-11

This release is a huge milestone for this library.
Lot's of new derives are implemented and a ton of attributes are added for
configuration purposes.
These attributes will allow future releases to add features/options without
breaking backwards compatibility.
This is why the next release with breaking changes is planned to be 1.0.0.

Breaking changes

• Requires Rust 1.36+
• When using in a Rust 2015 crate, you should add extern crate core to your
  code.
• no_std feature is removed, the library now supports no_std without having
  to configure any features.
• Deref derives now dereference to the type in the newtype. So if you have
  MyBox(Box<i32>), dereferencing it will result in a Box<i32> not an i32.
  To get the old behaviour of forwarding the dereference you can add the
  #[deref(forward)] attribute on the struct or field.

New features

• Derives for AsRef, AsMut, Sum, Product, IntoIterator.
• Choosing the field of a struct for which to derive the newtype derive.
• Ignoring variants of enums when deriving From, by using #[from(ignore)].
• Add #[from(forward)] attribute for From derives. This forwards the from
  calls to the fields themselves. So if your field is an i64 you can call from
  on an i32 and it will work.
• Add #[mul(forward)] and #[mul_assign(forward)], which implement Mul and
  MulAssign with the semantics as if they were Add/AddAssign.
• You can use features to cut down compile time of the crate by only compiling
  the code needed for the derives that you use. (see Cargo.toml for the
  features, by default they are all on)
• Add #[into(owned, ref, ref_mut)] and #[try_into(owned, ref, ref_mut)]
  attributes. These cause the Into and TryInto derives to also implement
  derives that return references to the inner fields.
• Make no_std work out of the box
• Allow #[display(fmt="some shared display text for all enum variants {}")]
  attribute on enum.
• Better bounds inference of Display trait.

Other things

... (truncated)

Commits

• 01fcf71 (cargo-release) version 0.99.1
• 7da3ee9 Modify hotfix slightly
• 52b9b2c Fix regression in autodetection of from implementations
• 0a035d6 Update CHANGELOG
• 6b3b03f Update CHANGELOG
• a1d7492 (cargo-release) start next development iteration 0.99.1-alpha.0
• 9a8d50c (cargo-release) version 0.99.0
• bd4b2b4 Temporarily add Cargo.lock to git
• 7465104 Update prerelease version in Cargo.toml
• 249f587 Update badges
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #31.