v2.4.2 Bugfix & Usability

Enhancements:

• Throw AnalyzerError when a hostname cannot be resolved to an IP
• Add links to summary card as_dict method

Bug Fixes

• Added missing docstring for services property
• Fixed various issues with as_dict property to ensure only serializable
  types made it into the dictionary.
• Ensured Projects would load by GUID regardless of visiblity.
• Removed a partially-implemented str method in MalwareList method
• Ensured all str methods in analyzer objects always return a string
• Upserting an artifact triggered an API error when setting a tag
• Ensure summary property returns ints, not None, when fields are missing
• Properly handle defanged ip addresses
• Exclude Nones from sets in various properties to avoid problems with NoneTypes