Merge pull request #348 from telerik/kerezov/fix-cannot-read-length-of-undefined

Fix weird error message when importing certificate with no password

Author: Mitko-Kerezov

logger.ts

@@ -147,6 +147,7 @@ export class Logger implements ILogger {
 	}
 
 	private getHiddenPassword(password: string, originalString: string) {
+		password = password || '';
 		return originalString.replace(password, new Array(password.length + 1).join('*'));
 	}
 }