Merge pull request alessandromaggio#38 from ArlindH/master

Fix error handling when socket init is unsuccessful

Merge pull request alessandromaggio#37 from alessandromaggio/dev

Release 1.0.9

Fix issue alessandromaggio#33

Fix issue alessandromaggio#33

Add DNS issue hint for socket error

Release version 1.0.5

Merge branch 'master' of https://github.com/alessandromaggio/pythonping

Merge branch 'master' of https://github.com/alessandromaggio/pythonping

Fix to DF option

Fix DF option, still does not work on Windows

Fix to DF option

Fix DF option, still does not work on Windows