Add much more timing information

And empty $@ and $#, which we'll reuse later.

doc/CHANGES

@@ -2,6 +2,7 @@
    * add 'exec-after-rm' (source specific) configuration
    * added logwrapper
    * Always print return code of rsync
+   * Add much more timing information
 
 0.5.1 to 0.5.2:
    * Display correct error code, if rsync returns non-zero

doc/todo/0.6

@@ -32,6 +32,8 @@ _eecho () { _techo "ERROR $msg" }
    Wenn Summary angegeben ist am Ende ausgeben
 - add --version, -V
 - do we want rsync -H by default?
+- add source/ignore_failed_pre_exec
+- add source/ignore_failed_post_exec
 
 ssh / port change:
    change rsync_extra format
@@ -48,4 +50,5 @@ Documentation:
 - Variables:
    source_$n
    no_sources
+   name