Fixed list index out of range error

[nanjj]

The error found when locationGroupId is None.

[coveralls]

Coverage remained the same at 86.978% when pulling 65827f1 on nanjj:fix into 4fc25c8 on softlayer:master.

[allmightyspiff]

locationGroupId needs a check to be None (or possibly '' on some occasions, I need to do some more testing to figure that one out), and not just the first result.

Thanks for the pull request, but I'm going to fix this in #956, hopefully by March 29.