Results 2 issues of irmlab

**wxLog::SetActiveTarget() is probably bugged when changing the target** wxLog becomes unusable after changing the target. It crashes the app. Exemple, using **wxLogTextCtrl class** as target, the crash happens after printing...

A long time I thought to request it, but as it was so evident, I simply waited. :) OK, if nobody noticed this, please, please add: **FILE menu -> SAVE...