Added changes
Fix BilibiliParser read bug.
和之前ABPlayer里面一样的问题，获取数据没有考虑到B站返回的XML中某些<p>中没具体内容。
Merge pull request #19 from Catofes/master

[Merge] Fix BilibiliParser read bug.
Merge branch 'master' of github.com:jabbany/CommentCoreLibrary into dev-scripter