* dbus/dbus-marshal.c: (_dbus_marshal_validate_arg):
	* dbus/dbus-message-builder.c: (_dbus_message_data_load):
	* dbus/dbus-message.c: (dbus_message_append_boolean),
	(dbus_message_append_boolean_array),
	(dbus_message_get_args_valist), (_dbus_message_test):
	* dbus/dbus-message.h:
	* doc/dbus-specification.sgml:
	Various fixes as pointed out by Havoc.

	* test/data/invalid-messages/bad-boolean-array.message:
	* test/data/invalid-messages/bad-boolean.message:
	Add invalid boolean value test cases.