Ensure that this implementation is compliant with conda/ceps#103

• Comply with CEP 26
• Valid version string
• Build string regex and max char REF: CEP-26 Compliance #5
  • ^[a-zA-Z0-9_.+]+$ Probably comply? It's hard to say what device names exist.
  • 64 chars or less
• Check that override name matches expected value (pay attention to underscore)
• Check about fallback value and warning or leave unset when undetected? REF: CEP-26 Compliance #5