Add check that values from win32 registry are actually valid directories.
Due to how KSPManager uses PopulateRegistryWithInstances works this will result in invalid entries being removed.
Closes #507.
Revert "Add check that values from win32 registry are actually valid directories."

This reverts commit 0bc2e43c4691a4080ccb894a075f7ea095d60a30.
Add check that values from win32 registry are actually valid directories.
Due to how KSPManager uses PopulateRegistryWithInstances works this will result in invalid entries being removed.
Closes #507.
Merge pull request #593 from RichardLake/#507

Add check that values from win32 registry are actually valid directories...
Fixed error in last commit.
Fixes #597. Download progress now reuses a line instead of creating new lines.
Merge pull request #598 from RichardLake/#597

Fixes #597.
Fix crash on 'Select all updated'
Merge pull request #599 from AlexanderDzhoganov/master

Fix crash on 'Select all updated'