v1.0.0 - Full release, minor fixes

This is the first full release of spyral-utils! We've fixed some small lingering issues in the get_subrange functions of histograms, as well as the method by which we retrieve the packaged AME data. Everything else should be much the same as ever.

• Fix bug in get_subrange functions where on the low edge was using less-than when should've been using less-than-or-equal-to.
• Fix potentially bad behavior in retrieval of AME file. In installs where spyral-utils is zipped, the old method would've failed. Now use importlib to properly retrieve resources.