Miniirc

Added

- Allow "channels" to be passed as a string containing a single channel.
- A `colon` keyword argument to `Handler` and `CmdHandler`. When this is
`False`, the leading colon is removed from `args[-1]`.

Changed

- Minor bugfix.

Deprecated

- In miniirc v2.0.0, the `colon` argument will default to `False` instead of
`True`.

Changed

- Bugfixes and a minor performance improvement.

Changed

- Fix `CmdHandlers` and IRCv3 handlers on methods.

Changed

- Bugfix and a documentation change.

Added

- `CmdHandlers` that allow getting the command when handling multiple events.
- Catch-all handlers that can handle all events.

Changed

- Bugfixes.