rebase code from master branch

src/tests.rs

@@ -15,7 +15,7 @@ fn test_rpm_builder() -> Result<(), Box<dyn std::error::Error>> {
     let builder = PackageBuilder::new("test", "1.0.0", "MIT", "x86_64", "some awesome package")
         .description(
             "This is an awesome package.
-
+            
 However, it does nothing.",
         )
         .compression(rpm::CompressionType::Gzip)