(CHECK_TYPE): New macro for generic type checking.

(CHECK_TYPE): New macro for generic type checking.
(CAR_SAFE, CDR_SAFE): New macros.
(ARRAYP, CHECK_ARRAY): New macros.
(CHECK_VECTOR_OR_STRING, CHECK_SUBR): New macros.
(CHECK_WINDOW_CONFIGURATION): New macro.
(CHECK_LIST_CONS, CHECK_LIST_END): New checks for list traversal.
(CHECK_STRING_OR_BUFFER, CHECK_HASH_TABLE, CHECK_LIST)
(CHECK_STRING, CHECK_STRING_CAR, CHECK_CONS, CHECK_SYMBOL)
(CHECK_CHAR_TABLE, CHECK_VECTOR, CHECK_VECTOR_OR_CHAR_TABLE)
(CHECK_BUFFER, CHECK_WINDOW, CHECK_LIVE_WINDOW, CHECK_PROCESS)
(CHECK_NUMBER, CHECK_NATNUM, CHECK_MARKER, CHECK_OVERLAY)
(CHECK_NUMBER_COERCE_MARKER, CHECK_FLOAT, CHECK_NUMBER_OR_FLOAT)
(CHECK_NUMBER_OR_FLOAT_COERCE_MARKER): Use CHECK_TYPE.