public ScriptResult Execute(string script)
{
_exec.AddReferences(typeof(Percentage));
_exec.AddReferenceAndImportNamespaces(new [] { typeof(PackageBuilder), GetType(), typeof(RequiredAttribute) });
_exec.ImportNamespaces("System.Linq", "CavemanTools");
_exec.Initialize(new string[0], new IScriptPack[0]);
return(_exec.ExecuteScript(GetScriptContent(script)));
}