deleted unnecessary text
exit (and bye) implementation
name fix
pwd program implementation
exit status
temizlik
os.stdout kaldırıldı
err -> os.Stderr
Satır kısaltıldı
Merge pull request #6 from f/master

exit (and bye) implementation
Merge pull request #8 from doganaydin/uptime-branch

Uptime branch
Merge pull request #9 from doganaydin/whoami-branch

Whoami branch