sssh 0.6 released

Hi all!

sssh 0.6. was just released and contains following changes:

- added installer
- fixed sssh_create
- removed use of egrep
- added command constants (eg sssh -f farm -C MYLONGCMD)
- added -x to exclude hosts
- sscp: localfile is now optional sscp -f farm -g /etc/hosts
filename is automatically detected and generates ./hosts.hostname1,...

Please give some feedback