Allow clippy match_like_matches_macro

The matches! macro that clippy suggested was only stabilized in 1.42
(2020-03-12). Allowing this clippy lint prevents projects using older
versions of rust from breaking going forward.

See also: GH-27

src/strand.rs

@@ -50,6 +50,7 @@ impl Strand {
     }
 }
 
+#[allow(clippy::match_like_matches_macro)]
 impl PartialEq for Strand {
     /// Returns true if both are `Forward` or both are `Reverse`, otherwise returns false.
     fn eq(&self, other: &Strand) -> bool {
@@ -72,6 +73,7 @@ impl Neg for Strand {
     }
 }
 
+#[allow(clippy::match_like_matches_macro)]
 impl Same for Strand {
     fn same(&self, s1: &Self) -> bool {
         match (*self, *s1) {