Bug fixed: VSEventsHandler doesnot detects when a solution was opened or closed
Bug fixed: Using Recursion to get all the projects from sub directories for the method GetPotentialTestDLLs
Bug fixed: When User doubleclick on the ResultsControl on an unexising constructor ".ctor" the addin crash
Merge pull request #18 from zapoutix/master

3 bugs fixed from zapoutix. 

VSEventsHandler doesnot detects when a solution was opened or closed (event was not call) http://stackoverflow.com/questions/5405167/dte2-events-dont-fire
If UnitTests projects are in sub "virtual directory" in the solution, they are not detected.
When User doubleclick on the ResultsControl on an unexisting constructor ".ctor" the addin crash