Errors found in loader.

[joshkh]

[L13:C14] W041: Use '===' to compare with 'null'.
    if (null == resolved) {
[L79:C16] W004: 'path' is already defined.
      var path = paths[i];
[L105:C39] W041: Use '!==' to compare with ''.
      } else if ('.' != path[i] && '' != path[i]) {
[L219:C6] W099: Mixed spaces and tabs.