Fixes logging of static class methods

src/logger.ts

@@ -219,11 +219,18 @@ export class Logger {
     }
 
     static toLoggableName(instance: Function | object) {
+        let name;
         if (typeof instance === 'function') {
-            return instance.name;
+            if (instance.prototype == null || instance.prototype.constructor == null) {
+                return instance.name;
+            }
+
+            name = instance.prototype.constructor.name;
+        }
+        else {
+            name = instance.constructor != null ? instance.constructor.name : '';
         }
 
-        const name = instance.constructor != null ? instance.constructor.name : '';
         // Strip webpack module name (since I never name classes with an _)
         const index = name.indexOf('_');
         return index === -1 ? name : name.substr(index + 1);