Bugfix empty ignorepath

When ignorepath was left empty there are no project / solutions loaded
Fix logstream

Getting exception when you click twice on the Unbind button.
--
ObjectDisposedException was unhandled
Cannot write to a closed TextWriter.
Closed TextWriter Exception

Clicking twice on Unbind throws exception of closed TextWriter
--
ObjectDisposedException was unhandled
Cannot write to a closed TextWriter.
Merge remote-tracking branch 'origin/jvanderbiest_bugfix2' into jvanderbiest_bugfix1
TextWriter Closed

When clicking twice on Unbind it will use a closed TextWriter. Setting
it to null after closing will force a new StreamWriter to be created.
--
ObjectDisposedException was unhandled
Cannot write to a closed TextWriter.
Revert "Bugfix empty ignorepath"

This reverts commit 62404d55819453e47409b8548044b83515772655.
Merge remote-tracking branch 'origin/jvanderbiest_bugfix2'