- Updated utils datetime methods to not require a timezone.
- Updated Tag class to urlencode tag value so slashes are supported.
- Updated safetag method to strip ^ from tag values.
- Changed modules dependency to use latest version instead of restricting to current version.
- Added Event, Intrusion Set and Report group types in preparation for TC > 5.6.0.
- Added metrics module to create and add metrics to ThreatConnect.
- Added deleted endpoint for indicators.