In general, this PR removes the option to have type as a string in the options of an argument.

Details

Code

• Removed TypeResolver entirely
  • Removed CommandHandler#useListenerHandler, as it just passed the given ListenerHandler to the TypeResolver.
  • Removed CommandHandler#resolver and its references (Arguments)
• Removed ArgumentTypes constant
• Added UNKNOWN_MENTION_TYPE error key (self explanatory)
• Added Types export for all built-in types

Typings

• Updated for all of the above

Tests

• Updated according to all of the above
  • Updated all argument types to their respective function in Types export
  • Removed TypeResolver reference
• Added prime command to test custom types

Docs

• Moved ArgumentTypeCaster to Types.js
• Moved ArgumentType to Types.js

Remaining

• Update docs and guides accordingly
• Test the changes (Yes, I did some testing myself, but you can never be too sure)