Extract key string manipulation functions into a new library.

.gitignore

Makefile.am

src/common/compat.c

src/common/compat.h

src/common/util.c

src/common/util.h

src/common/util_format.c

src/common/util_format.h

src/include.am

src/lib/container/.may_include

src/lib/container/map.c

src/lib/container/smartlist.c

src/lib/crypt_ops/.may_include

src/lib/crypt_ops/crypto_format.c

src/lib/crypt_ops/crypto_openssl_mgt.c

src/lib/string/.may_include

src/lib/string/compat_ctype.c

src/lib/string/compat_ctype.h

src/lib/string/include.am

src/lib/string/printf.c