treyd/stencil: Declarative language for efficient serialization defined in terms of bytes.

Trey Del Bonis e8a062b785 added more complex field to demo file, added space after fns in python codegen		hai 2 semanas
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demo.yml	e8a062b785 added more complex field to demo file, added space after fns in python codegen	hai 2 semanas
ip.stencil	f56719d421 added support for U8 types, other cleanup	hai 1 ano