Add support for -V for version (SemVer-formatted)

src/saturnin.sh.skel

         -v|--verbose)   export PRETTY_VERBOSE=true; shift ;;
         -h|--help)      saturnin__help;             exit  ;;
         --version)      saturnin__version;          exit  ;;
-        --version-semver) saturnin__get app-version ;;
+        -V|--version-semver) saturnin__get app-version ;;
         --saturnin-get-*) saturnin__get "$1"        ;;
         -*)             saturnin__usage;            ;;
         --*)            saturnin__usage;            ;;
             "[options] COMMAND [ARG...]"                    \
         -o                                                  \
             "-D, --full-debug   turn on gory debugging"     \
+            "-V, --version  show version and exit"          \
             "-d, --debug    turn on debugging"              \
             "-h, --help     show this help message and exit"\
             "-v, --verbose  turn on verbosity"              \
-            "--version      show version and exit"          \
         -c                                                  \
             $(saturnin__lssc)
 }

tests/cli/oracle/usage.stderr

 
 options:
   -D, --full-debug   turn on gory debugging
+  -V, --version  show version and exit
   -d, --debug    turn on debugging
   -h, --help     show this help message and exit
   -v, --verbose  turn on verbosity
-  --version      show version and exit
 
 commands:
   bar