Removal of '[' and ']' from char blacklist of vfs:real module

* After three months of use, Guzle has reported back no problems
* As noted in the forum posts, these characters should not be removed from the Virtual module, only the real one.

Please see: http://forums.oneye-project.org/viewtopic.php?pid=1409
Merge pull request #16 from s0600204/brackets

Removal of '[' and ']' from char blacklist of vfs:real module
Hopefully fixing #8