Fixed WinRT resource loading.
Added universal app 8.1 as target.
Synchronised projects compiling now; MakePRI not yet working.
Updated .NET 4.0 synchronisation exclude list.
Updated WinRT exlcude list.
Added handle_traits specialisation for PTP_TIMER, PTP_WAIT and PTP_WORK
Added wrapper class for handles.
Added CV qualifiers to to_string() method.
Removed ConsoleProgressBar class from WinRT.
Added resource abstraction class.
