cudyn: Dynamic Typing

Modules
	cudyn/misc.h: Various Dynamic Types
	cudyn/type.h: Dynamic Types
	cudyn/proto.h: Dynamic Prototypes and FFI Calls

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Detailed Description

Deprecated:

The typing infrastructure for aggregates will be obsoleted by the use of expression trees (in cuex). As a consquence, there will be little left in this namespace. Therefore, this module may be merged into cuex, implying systematic name changes.