Bump config from 0.7.0 to 0.9.1

[dependabot-preview]

Bumps config from 0.7.0 to 0.9.1.

Changelog

Sourced from config's changelog.

0.9.1 - 2018-09-25

• Allow Environment variable collection to ignore empty values. #78

  // Empty env variables will not be collected
  Environment::with_prefix("APP").ignore_empty(true)

0.9.0 - 2018-07-02

• Breaking Change: Environment does not declare a separator by default.

  // 0.8.0
  Environment::with_prefix("APP")
  
  // 0.9.0
  Environment::with_prefix("APP").separator("_")

• Add support for INI. #72

• Add support for newtype structs. #71

• Fix bug with array set by path. #69

• Update to nom 4. #63

0.8.0 - 2018-01-26

• Update lazy_static and yaml_rust

0.7.1 - 2018-01-26

• Be compatible with nom's verbose_errors feature (#50)[https://github-redirect.dependabot.com/use nom's error_kind() to be robust againt nom feature selection accross a project rust-cli/config-rs#50]
• Add derive(PartialEq) for Value (#54)[https://github-redirect.dependabot.com/Add derive(PartialEq) for Value, ValueType rust-cli/config-rs#54]

Commits

• a7bf3ed (cargo-release) version 0.9.1
• 8cfde7d Use a build config on Environment instead of a feature flag for #78
• a1cd868 Treat empty environment variables as unset
• 4475925 (cargo-release) version 0.9.0
• e935438 Update readme/changelog for 0.9
• cbb9ef8 Run rustfmt (nightly)
• bbc78d8 Clean up Cargo.toml and up float-cmp
• 0226b13 Merge branch 'feature/ini' of https://github.com/woodgear/config-rs
• 5e5f1a7 Fix test failures from upgrade to nom 4
• fc1a965 Merge branch 'master' of https://github.com/Geal/config-rs
• Additional commits viewable in compare view

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[jhelwig]

@dependabot use these assignees

[dependabot-preview]

OK, from now on I'll assign @jhelwig for Rust pull requests on this repo.