Removed support for specifying agent ID tuple in commands

[evan-palmer]

Checklist

• I have performed a thorough review of my code
• I have sufficiently commented my code
• The implementation follows the project style conventions
• All project unit tests are passing
• If necessary, documentation has been provided or updated to discuss the changes
• System integration tests are performed successfully
• Any new dependencies have been added to the requirements list
• Any changes that will not be completed or bugs that have been introduced have been added as issues

Changes Made

This PR removes support for sending commands to a single agent by specifying the agent ID tuple. This is done for the sake of consistency and maintainability. To accomplish sending messages to a single agent, users should now wrap the agent ID tuple in a list.

Associated Issues

Closes #119

Files Changed

• examples/*: Updated all examples to use the updated message response type
• pymavswarm/mavswarm.py: Removed support for specifying a single agent ID tuple for message commands in favor of specifying a list

Testing

Hardware regression tests were performed by @grantphllps.

Issues Introduced

N/A