Update README

README.md

@@ -4,14 +4,16 @@ CoverGrabber
 Grab cover image, track name/artists/year and lyric from Xiami and write to local files.
 
 Since I bought an iPod Classic, I found it very uncomfortable if there's any album without cover :(
+
 So I wrote this tool to help OCDers, which could fill cover image (and something more) for your local files.
 
 ## Features ##
 * Grab cover image
 * Grab album title / album artist / track name / track artist / year
 * Grab lyric
 * Write to local file (By taglib#)
-* Support Xiami only (with verify code)
+
+* Support Xiami (with verify code / cookies)
 
 ## 3rd Party Components ##
 * HtmlAgilityPack 1.4.6 (http://htmlagilitypack.codeplex.com/)
@@ -21,10 +23,9 @@ Microsoft Public License (Ms-PL)
 GNU Lesser General Public License
 
 ## Known issues ##
-* Single thread - UI hangs up during processing
 * Error if file in use
 
 ## Todo ##
+* Refactoring some methods
 * Error Handling
-* Multi-thread
-* Support 163 Cloud Music
+* Support 163 Cloud Music, last.fm, vgmdb, amazon.co.jp, musicbrainz, iTunes Store in the future