force_refresh option to prevent 304 on browser's cache.
notify util doesn't have timeout if the time option is set to -1
Option remove on js_notify method.
Fix #8 UTF-8 decode by default on notify.
Some tests.
Links generated by SrBul.Util.link now have unique id.
Changes in tests for $.SrBuj.Util.link
Merge pull request #12 from aanfuso/master

Some utils aditions