Added input handling and m_roleplay client-side handlers (...)

- Added Client.EmitInput()
- Added ircutil.ParseArgAndText for common /msg <target> <message...> type inputs
- Added target getters for Event
- Added default handling for input events that haven't been killed
- Removed handler_debug
- Changed timeout for interaction to 2s
- Fixed comment typo in event_packet.go

ircutil/parse-arg-and-text.go

@@ -0,0 +1,17 @@
+package ircutil
+
+import (
+	"strings"
+)
+
+// ParseArgAndText parses a text like "#Channel stuff and things" into "#Channel"
+// and "stuff and things". This is commonly used for input commands which has
+// no standard
+func ParseArgAndText(s string) (arg, text string) {
+	spaceIndex := strings.Index(s, " ")
+	if spaceIndex == -1 {
+		return s, ""
+	}
+
+	return s[:spaceIndex], s[spaceIndex+1:]
+}