Pull lock up to a higher lever to avoid waiting callers re generating cache entry
Pull lock up to a higher lever to avoid waiting callers re generating cache entry

Removed several printf in favour of a slightly faster String.Parse

fsharp/xamarin-monodevelop-fsharp-addin,nosami/xamarin-monodevelop-fsharp-addin,nosami/xamarin-monodevelop-fsharp-addin,fsharp/xamarin-monodevelop-fsharp-addin