Fixed undefined variable error
Workaround neuron requirement that cable id's appear in order.
Fixed variable name bug in list iteration
Updated to latest PyXB version
Update to PyXB 1.2.3
Return None if response does not have objects.
Stop query if the response cannot be parsed.
Instead of raising an exception return None if certain queries fail
Skip edges where synapses are linked to cell bodies
Load now supports a list of structure IDs
Merge pull request #1 from jamesra/master

Update