Fixed the return value of the integral conversion functions, and also unset...

Fixed the return value of the integral conversion functions, and also unset the dec flag so it reads other bases (just a temporary fix, since we're officially supposed to read binary too)

include/conversion.h

@@ -21,8 +21,8 @@ namespace YAML
 #define YAML_MAKE_STREAM_CONVERT(type) \
 	inline bool Convert(const std::string& input, type& output) { \
 		std::stringstream stream(input); \
-		stream >> output; \
-		return !stream.fail(); \
+		stream.unsetf(std::ios::dec); \
+		return stream >> output; \
 	}
 	
 	YAML_MAKE_STREAM_CONVERT(char)