Trim spaces

lib/common.go

@@ -51,6 +51,9 @@ func BuildURI(rawuri, rawpath string) string {
 }
 
 func HasCommand(s, prefix, cmd string) bool {
+	s = strings.TrimSpace(s)
+
+	// a command cannot be less than two characters e.g. !x
 	if len(s) < 2 {
 		return false
 	}