This will fix the modmanager crashing when a corrupt category file is present and the user
answers NO/Cancel to the category setup prompt.
This will fix the manager crashing while the UAC check tries to parse an invalid
(null) Install Info path.
This will fix the program crashing while an antivirus (?) prevents the program
from interacting with the registry to change file associations.
The will fix the Fomod class  trying to interact and edit the base mod archives,
and often biting his tail and causing an access denied crash.
Closing branch in preparation for merge.
Merge with duskdweller-Fomod-ReplaceFile-AccessDenied-fix
Closing branch in preparation for merge.
Merge with duskdweller-FileAssociations-crashfix
Closing branch in preparation for merge.
Merge with duskdweller-UACCheck-InstallInfo-crashfix
Closing branch in preparation for merge.
Merge with duskdweller-InvalidCategory-crashfix
Fixes the program update check failing if the user was not logged in.
Incremented version to 0.49.4
Added tag 0.49.4 for changeset bffd9c2d7294