Allow searching by album.

[Priva28]

Sometimes I have found that there are songs (or singles with features for example) that have slightly different lyrics or a different timing.

My change allows the application to specify an album as part of the search request:

• There is now an optional album property that you can add when creating a .info search request.
• The NetEase and QQ searches will append the album name at the end of the search query.
• The quality of the returned lyrics will be increased if the album is matching.

I have tested and verified that adding the album to the search request significantly narrows the results and increases the quality value for proper matching results which makes it easier to deliver accurate lyrics to the user.