Implemented char_traits for SEXP octet_t #333

Job	Run time
centos:7-gcc shared lib on	56s
centos:7-gcc shared lib off	48s
centos:7-clang shared lib on	47s
centos:7-clang shared lib off	59s
tgagor/centos:stream8-gcc shared lib on	8s
tgagor/centos:stream8-gcc shared lib off	7s
tgagor/centos:stream8-clang shared lib on	8s
tgagor/centos:stream8-clang shared lib off	8s
quay.io/centos/centos:stream9-gcc shared lib on	48s
quay.io/centos/centos:stream9-gcc shared lib off	51s
quay.io/centos/centos:stream9-clang shared lib on	59s
quay.io/centos/centos:stream9-clang shared lib off	1m 0s
fedora:35-gcc shared lib on	1m 10s
fedora:35-gcc shared lib off	1m 14s
fedora:35-clang shared lib on	1m 8s
fedora:35-clang shared lib off	1m 23s
fedora:36-gcc shared lib on	1m 10s
fedora:36-gcc shared lib off	1m 18s
fedora:36-clang shared lib on	1m 24s
fedora:36-clang shared lib off	1m 11s
fedora:38-gcc shared lib on	1m 19s
fedora:38-gcc shared lib off	1m 22s
fedora:38-clang shared lib on	1m 42s
fedora:38-clang shared lib off	1m 27s
	23m 27s

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