
* Remove vestigial code to be compatible with Spack v0.9.X * ArchSpec: reworked __repr__ to be more adherent to common Python idioms * ArchSpec: simplified __init__.py and copy()
* Remove vestigial code to be compatible with Spack v0.9.X * ArchSpec: reworked __repr__ to be more adherent to common Python idioms * ArchSpec: simplified __init__.py and copy()