Fix changes to StreamReader/StreamUtils.

Depends-On: Ia24b29f2fcd414d7b27bad52cc6fad6312179de5
Change-Id: Ie4bd081e56c12afe66a0f333a36e7f87b1736048
Reviewed-on: http://gerrit.dmdirc.com/4068
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>