Add cpanfile for quicker developer startup.
Add test to illustrate networks getting clobbered rather than merged.
Fixed merging of records

Previously the code assumed that the inserted subnets will always
match up perfectly, which is rarely the case.
Remove unnecessary malloc
Add check on mask length
English is hard
Don't create a larger array than necessary
Temporarily disable code to merge nodes that are the same
Don't try to merge records when moving up the tree to combine nodes
Add tidy config.
Add another failing collision test.
Fix expected record collision data.
Added missing %8
Add more paths to MANIFEST.SKIP
Cover more record collision cases.
More record collision tests.
Remove extra newline
Remove some debugging cruft
Small reformatting to make hashes more readable
Combine two nested if statements into one