#882 - Added table which shows the status of each url

[acamacho82]

This should fix the issue #882

Example:

$ slcli cdn purge 77777 http:// https:// http://par01.objectstorage.softlayer.net/v1/AUTH_26979667-f76a-47e8-92b6-20f0a8226fc8/ http://test01.http.par01.cdn.softlayer.net/ http://test01.http.che01.cdn.softlayer.net/ http://seo01.objectstorage.softlayer.net/v1/AUTH_26979667-f76a-47e8-92b6-20f0a8226fc8/
:........................................................................................:.............:
:                                          url                                           :    status   :
:........................................................................................:.............:
:                                        http://                                         : INVALID_URL :
:                                        https://                                        : INVALID_URL :
: http://par01.objectstorage.softlayer.net/v1/AUTH_26979667-f76a-47e8-92b6-20f0a8226fc8/ :    FAILED   :
:                       http://test01.http.par01.cdn.softlayer.net/                      :   SUCCESS   :
:                       http://test01.http.che01.cdn.softlayer.net/                      :   SUCCESS   :
: http://seo01.objectstorage.softlayer.net/v1/AUTH_26979667-f76a-47e8-92b6-20f0a8226fc8/ :    FAILED   :
:........................................................................................:.............:

[coveralls]

Coverage increased (+0.005%) to 89.851% when pulling 9e1af1b on acamacho82:#882 into 5c3313e on softlayer:master.