Bump version

Overview of changes:

 *  Fix issue with sfpi__key() not ever returning anything

    sfpi__key() would not return anything unless plugin was already
    loaded.  Now the plugin is loaded (in a subshell) before aking for
    the key value.

mkit.ini

 [project]
-    version     = 0.10.22
+    version     = 0.10.23
     codename    = FloatingPointError
     name        = Shellfu
     tagline     = Shell dot on steroids