Undisposed StreamWriter in Article.ConvertToPlaintext

[Joshua Waring]

Hey, still hunting for memory leaks, found this one.

https://github.com/Strumenta/SmartReader/blob/master/src/SmartReader/Article.cs#L228

[Gabriele Tomassetti]

Thanks for the bug report. I am going to fix it this weekend. If you let me know when you have completed your analysis I will release a new version.

[Joshua Waring]

This is all I found when looking for memory leaks in my application, thanks for being responsive and translating this project to C#.