Merge pull request #151 from Olli-Lolli/fix-closure-cast-exception

Fix cast exception on invalid class entries

src/main/groovy/org/beryx/runtime/util/PackageUseScanner.groovy

@@ -212,6 +212,7 @@ class PackageUseScanner extends ClassVisitor {
                 } catch (Exception e) {
                     LOGGER.info("Failed to scan $path", e)
                     invalidEntries << ("${basePath}/${path}" as String)
+                    return
                 }
             }
         } as Closure)