Merge pull request #17 from CodeBlanche/master

Update to handle empty client data files
Merge pull request #18 from CodeBlanche/master

Fix for handling empty client data files
Merge pull request #19 from CodeBlanche/master

Additional fix to purge client maps along with client data
Merge branch 'master' of github.com:laposta/connect-googlecontacts

* 'master' of github.com:laposta/connect-googlecontacts:
Catch Unknown list exceptions and cleanup list map accordingly