Renames a variable while fixing a call to the wrong overloaded method.
Removes unnecessary call to update MNO and removes redundant else.
Makes a big random insertion and removal test to make sure that all cases appear with high probability.
Reorders IBS contract
Saves return value to _root when removing nodes
Fixes and reorders contracts on IIntervalCollection
Debugging interval removal.
Merge branch 'master' of https://github.com/lundmikkel/C5