(scm_is_integer, scm_is_signed_integer, scm_is_unsigned_integer,

(scm_is_integer, scm_is_signed_integer, scm_is_unsigned_integer,
scm_to_signed_integer, scm_to_unsigned_integer, scm_to_schar,
scm_to_uchar, scm_to_char, scm_to_short, scm_to_ushort, scm_to_long,
scm_to_ulong, scm_to_size_t, scm_to_ssize_t, scm_from_schar,
scm_from_uchar, scm_from_char, scm_from_short, scm_from_ushort,
scm_from_int, scm_from_uint, scm_from_long, scm_from_ulong,
scm_from_size_t, scm_from_ssize_t, scm_is_real, scm_to_double,
scm_from_double): New.

* deprecated.h, boolean.h (SCM_FALSEP, SCM_NFALSEP, SCM_BOOL,
SCM_NEGATE_BOOL, SCM_BOOLP): Deprecated by moving into "deprecated.h".
Replaced all uses with scm_is_false, scm_is_true, scm_from_bool, and
scm_is_bool, respectively.