Fixed the way assemblies are located when uninstalling so .exe assemblies can be uninstalled from the GAC.
Formatting changes to adhere to existing code style.
Fixed IsSwitch to check for files ending in '.exe'.
Removed checks for all-uppercase extensions in Uninstall.
Merge pull request #557 from jack-pappas/gacutil-patch

Fixed gacutil so assemblies with the ".exe" extension can be uninstalled.