this time,through other people test, it finally has no bug...  ~_~!
Update README.md
Merge remote-tracking branch 'upstream/master'
update fontawesome to Version 3.1.1
Merge pull request #64 from sexnothing/master

Update FontAwesome to Version 3.1.1, by @krisxoofoo @sexnothing
Update docs
Removed direct use of $this in anonymous function and closure since it is only supported as of PHP 5.4.0
Added missing file identifier for mail service
Fixed config encode/decode conflicts reported by @MarcoXoops in Issue #13