bump version. add repo and bug info package.json

package.json

@@ -2,12 +2,20 @@
 , "author" : "Marco Rogers - http://github.com/polotek"
 , "contributors" : ["Jeff Smick"]
 , "description" : "libxml bindings for v8 javascript engine"
-, "version" : "0.4.0"
+, "version" : "0.4.1"
 , "scripts" :
   { "preinstall" : "make node"
   , "preuninstall" : "make clean"
   , "test" : "make test"
   }
+, "repository" :
+  { "type" : "git"
+  , "url" : "http://github.com/polotek/libxmljs.git"
+  }
+, "bugs" :
+  { "mail" : ""
+  , "web" : "http://github.com/polotek/libxmljs/issues"
+  }
 , "main" : "./libxmljs"
-, "engines" : { "node" : ">=0.1.30" }
+, "engines" : { "node" : ">=0.1.90" }
 }