Ranges now update usage when an interface is moved between them
Fixed interface not saving the right range
Fixed broken tests
Address records now update old range usage when migrating ranges
PTRS now update old range usage when migrating ranges
Fixed broken tests for ptrs and arecords
Adjust if statements for acquiring old_range
Merge pull request #476 from church29/Interface_Range_Update

Ranges now update usage when an interface is moved between them