Bump version

Overview of changes:

 *  imapdomo will now override imapfilter's certificate storage

    Also added CLI option, but default value is
    $IMAPDOMO_HOME/certificates

 *  Empty action will now throe usage error

    ... instead of crashing further down the line.

 *  Path in handler error message has been fixed

 *  Codebase maintenance

mkit.ini

@@ -1,5 +1,5 @@
 [project]
-    version     = 0.0.5
+    version     = 0.0.6
     name        = imapdomo
     pkgname     = imapdomo
     maintainer  = Alois Mahdal <netvor+imapdomo@vornet.cz>