v0.3.0

Error handling:

• rewrite error throwing behavior (BREAKING CHANGE)
• merge "error:client" and "error:server" to "error"

Behavior changes:

• resolve connect() with Deno.Conn when connected
• remove listener on "disconnected" in disconnect()
• remove the nick key from "myinfo" event payload
• rename event "raw:ctcp" to "ctcp"

Improvements:

• improve plugins/verbose (previously plugins/debug)

Internal:

• rewrite tests using new mocks (see testing folder)