Merge zipr-be code into this repository, with full history.

zipr/.gitattributes

zipr/.gitignore

zipr/.gitlab-ci.yml

zipr/LICENSE

zipr/Makefile.in

zipr/README.sleds.txt

zipr/README.txt

zipr/SConscript

zipr/SConstruct

zipr/cicd_tests/do-build.sh

zipr/cicd_tests/do-clean.sh

zipr/cicd_tests/internal-tests.sh

zipr/cicd_tests/xform-cat.sh

zipr/cicd_tests/xform-ls.sh

zipr/include/arch/arch_arm32.hpp

zipr/include/arch/arch_arm64.hpp

zipr/include/arch/arch_base.hpp

zipr/include/arch/arch_mips32.hpp

zipr/include/arch/arch_x86.hpp

zipr/include/ehwrite.h