[Halpy-111] Case Management Commands & Notes

[Rixxan]

Relies upon #334

Key Features:

• Establishes the base Case Management commands for changing static aspects of Cases.
• Adds commands needed for Case Note Management to automatically fill some details of cases for notes.
• Automatically appends new note entries on key commands.
• Establishes the KFType and CaseType Enums
• Announcer now raises 400 Bad Request on invalid KingFisher coordinates

Also includes:

• A new configuration option to specify rescue channels, which should be subsets of joined channels.
• Improvements to the Board List command to allow platform or case type filtering.
• Removes a significant amount of now-redundant Debug code.
• Defines a number of new potential exception types for different situations.
• If a Client announcement is to include an IRC name, include that name in the announcement.
• Adds the Case Type to the initial case creation.
• Updates the Planet Coords and KF Type to use the proper Enums
• Refactors the get_case function to Packages from Commands
• Adds a new Enum value for Inactive cases.

Future Enhancements to be Investigated:

• Confirmation Loops on Some Commands

Closes #327, #111