ILRepack is meant at replacing ILMerge / Mono.Merge.
The former being closed-source, impossible to customize, slow, resource consuming and many more. The later being deprecated, unsupported, and based on an old version of Mono.Cecil.
This package provides a library, for use within tools/build projects.
If you need the tool as an executable, this is not the package you're looking for, this one is: http://www.nuget.org/packages/ILRepack/.
This package has no dependencies.