Encoder and decoder for Erlang's External Term Format.

• ATOM_CACHE_REF
• SMALL_INTEGER_EXT
• INTEGER_EXT
• FLOAT_EXT
• REFERENCE_INTEGER_EXT
• PORT_EXT
• PID_EXT
• SMALL_TUPLE_EXT
• LARGE_TUPLE_EXT
• MAP_EXT
• NIL_EXT
• STRING_EXT
• LIST_EXT
• BINARY_EXT
• SMALL_BIG_EXT
• LARGE_BIG_EXT
• NEW_REFERENCE_EXT
• FUN_EXT
• NEW_FUN_EXT
• EXPORT_EXT
• BIT_BINARY_EXT
• NEW_FLOAT_EXT
• ATOM_UTF8_EXT
• SMALL_ATOM_UTF8_EXT
• ATOM_EXT
• SMALL_ATOM_EXT

• ATOM_CACHE_REF
• SMALL_INTEGER_EXT
• INTEGER_EXT
• FLOAT_EXT
• REFERENCE_INTEGER_EXT
• PORT_EXT
• PID_EXT
• SMALL_TUPLE_EXT
• LARGE_TUPLE_EXT
• MAP_EXT
• NIL_EXT
• STRING_EXT
• LIST_EXT
• BINARY_EXT
• SMALL_BIG_EXT
• LARGE_BIG_EXT
• NEW_REFERENCE_EXT
• FUN_EXT
• NEW_FUN_EXT
• EXPORT_EXT
• BIT_BINARY_EXT
• NEW_FLOAT_EXT
• ATOM_UTF8_EXT
• SMALL_ATOM_UTF8_EXT
• ATOM_EXT
• SMALL_ATOM_EXT