* Added support for nested aliases: up to 5 levels deep instead of just
one level
* Added --resolve-alias/--alias command-line parameter to manually check
the resolution any alias
* Fixed propagation of --debug flag (to clients & slaves)
* Fixed propagation of --create-dir flag (to clients & slaves)
* Fixed problem in --fix-local routine (by adding optional --fix-user
command-line parameter and code)
* Fixed check when adding key to ssh-agent
* Added checking on alias resolution in --check-syntax routine
* Better trap setting
* Added typeset-ing to vars
* Switched version numbering (now date based)
* Code cleanup (now error & warning free in shellcheck/perlcritic
linters)
