Merge pull request #7 from pyatom/master

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Merge branch 'master' of github.com:nagappan/pyatom
Merge branch 'master' of github.com:ldtp/pyatom
Handle exception by accessing the widget
Add _callback_event for Linux/Windows compatibility
Added server and port optional argument
Added ooldtp
Added ooldtp
Print traceback if LDTP_DEBUG is set
Removed unnecessary code
Updated copyright year
Removed local ldtp script
Long press support for clickMouseButtonLeft and clickMouseButtonLeftWithMods
support dragMouseButtonLeft