Update changelog

CHANGELOG.md

@@ -19,13 +19,17 @@ TODO: `cargo`, `std` features
     * `ErrorKind::MissingArgumentOrSubcommand` => `ErrorKind::DisplayHelpOnMissingArgumentOrSubcommand`
 * **Changed**
   * `Arg::env` & `Arg::env_os` does not set `ArgSettings::TakesValue` anymore
+  * `@group` in `clap_app!` now needs `:` instead of `=>`
 
 #### Features
 
 * **Added Methods**
   * **App**
+    * `App::license`
   * **Arg**
     * `Arg::hide_env`
+  * **Macros**
+    * `crate_license!`
 * **Added Settings**
   * `ArgSettings::HideEnv`
 

SPONSORS.md

@@ -1,16 +0,0 @@
-Below is a list of sponsors for the clap-rs project
-
-If you are interested in becoming a sponsor for this project please our [sponsorship page](https://clap.rs/sponsorship/).
-
-## Recurring Sponsors:
-
-| [<img alt="Noelia Seva-Gonzalez" src="https://clap.rs/wp-content/uploads/2017/10/noelia_sm-1.png" width="117">](https://noeliasg.com/about/)  | [<img alt="messense" src="https://clap.rs/wp-content/uploads/2018/01/messense-400x400.png" width="117">](https://github.com/messense)  | [<img alt="Josh" src="https://clap.rs/wp-content/uploads/2018/11/josh_t.jpg" width="117">](https://joshtriplett.org)  |
-|:-:|:-:|:-:|
-|Noelia Seva-Gonzalez | Messense | Josh Triplett |
-
-
-## Single-Donation and Former Sponsors:
-
-| [<img alt="Rob Tsuk" src="https://clap.rs/wp-content/uploads/2017/10/robtsuk_sm.png" width="117">](https://github.com/rtsuk)| | |
-|:-:|:-:|:-:|
-|Rob Tsuk| | |

src/build/arg/mod.rs

@@ -3067,7 +3067,7 @@ impl<'help> Arg<'help> {
     /// assert!(res.is_ok());
     /// ```
     ///
-    /// Not setting [`Required`] and then *not* supplying that argument at runtime is an error.
+    /// Setting [`Required`] and then *not* supplying that argument at runtime is an error.
     ///
     /// ```rust
     /// # use clap::{App, Arg, ArgSettings, ErrorKind};