Make --no-paging/-P override --paging=... if passed as a later arg (#2201)

* Make the no-paging option override earlier paging options

* Update CHANGELOG.md

Co-authored-by: Martin Nordholts <enselic@gmail.com>

src/bin/bat/clap_app.rs

@@ -293,6 +293,7 @@ pub fn build_app(interactive_output: bool) -> ClapApp<'static, 'static> {
             Arg::with_name("paging")
                 .long("paging")
                 .overrides_with("paging")
+                .overrides_with("no-paging")
                 .takes_value(true)
                 .value_name("when")
                 .possible_values(&["auto", "never", "always"])